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slitheringghost · 5 months ago

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"And Cain Repented Not Of What He Had Done": Harry Potter as Retelling of Cain and Abel, Part 1

Then Cain, the hard-hearted and cruel murderer, took a large stone and smote his brother with it upon the head, until his brains oozed out, and he weltered in his blood, before him. And Cain repented not of what he had done. “I regret it,” said Voldemort coldly. He turned away; there was no sadness in him, no remorse. Thereupon Allah sent forth a raven who began to scratch the earth to show him how he might cover the corpse of his brother. So seeing he cried: Woe unto me! Was I unable even to be like this raven and find a way to cover the corpse of my brother? Then he became full of remorse at his doing. // And he became of the regretful. “But before you try to kill me, I’d advise you to think about what you’ve done... Think, and try for some remorse, Riddle��”

Section 1.0: Introduction

The Harry Potter series is, at its heart, a retelling and performance of Cain and Abel, the biblical story of the first murder, of Cain telling his brother Abel ‘let us go out into the field’ and killing him. In this retelling, the characters of HP put on different masks, perform different parts, play several characters at once.

Like most stories, Cain and Abel has many different interpretations, and JKR has weaved every single one of those interpretations into HP in a gigantic intricate web that's one of the most fascinating and formative parts of the series, yet one that goes unnoticed by most of fandom.

JKR essentially wrote HP like one long Cain and Abel web weaving post, and in this meta I’ll be quoting all the various interpretations in Jewish, Christian, and Islamic tradition with the corresponding passages in the HP books alluding to them.

Despite the original Cain and Abel story, it's not just about brothers - because HP as a retelling is about brothers and sisters killing their brothers and sisters. And at the center of it all is:

1) the events between and attempted murders of Voldemort, Harry, and Lily by each other

2) the murders of “sisters” Ariana Dumbledore, Merope Gaunt, and Lily Evans by their "brothers" (brothers loosely referring to any familial or symbolic familial dynamic) - Ariana murdered by Albus, Aberforth, and Grindelwald; Merope’s murder by Marvolo, Morfin, and Tom Riddle Sr., and then the six men leading to Lily’s death - Sirius, Snape, Wormtail, Harry, James, and Voldemort.

Some of these characters are Cain in the traditional sense, cruel intentional murderers - such as Voldemort as the main Cain of the story, Merope's family, Wormtail, perhaps Bellatrix depending on how you interpret her. Others are Cain much more symbolically and allude to their unintentionally bringing about the deaths of their loved ones and the subsequent guilt - such as Sirius's guilt over bringing about the deaths of his "brother and sister" James and Lily, Harry's guilt over Lily dying for him, etc.

Notice how there’s a heavy emphasis on twins and sibling dynamics in HP, and it’s because all of that links to the story as a Cain and Abel retelling:

“Fred and George, who were identical to the last freckle.” Fred and George turned to each other and said together, “Wow — we’re identical!” “Parvati Patil’s twin’s in Ravenclaw, and they’re identical. You’d think they’d be together, wouldn’t you?” "Or was it Potter’s identical twin in the Hog’s Head that day?" Albus and Aberforth wore matching lacy collared jackets and had identical, shoulder-length hairstyles. Albus looked several years older, but otherwise the two boys looked very alike, for this was before Albus’s nose had been broken and before he started wearing glasses. “You will suggest to the Order of the Phoenix,” Snape murmured, “that they use decoys. Polyjuice Potion. Identical Potters.”

Harry and Voldemort are framed as "twin brothers" (brother wands, the twin cores, etc), as Cain and Abel are brothers and in some interpretations twins too, and the lightning scar on Harry's forehead is the mark of Cain.

Voldemort as Cain is driving the story - he murders or nearly murders almost every familial relationship he has, from all his living relatives to Ginny as a "sister", to Snape and Bellatrix, to of course, his "brother" Harry. Voldemort also turns his followers/“true family” into Cain as they become more and more like him - i.e. Barty Crouch Jr. murders his father, Snape is made to murder his father figure Dumbledore, Bellatrix ordered to kill Tonks, etc.

And, Voldemort marking Harry as his equal, turning him into someone like himself, has multiple meanings - because just like he did with his followers, Voldemort who is Cain himself marked Harry as Cain too, Harry marked to one day kill his "brother" Voldemort, as well as marked to inadvertently lead to the deaths of his loved ones, to become a killer of his "family" the way Voldemort is, due to Voldemort's choice regarding the prophecy.

Additionally, in some interpretations, Cain and Abel have twin sisters, which is also weaved into this text in integral ways - one being that Lily is framed is Voldemort's symbolic sister the way Harry and Voldemort are "brothers", which you can read about in my meta Unweaving Canon Lily: Parallels to Voldemort.

Also note that most of these characters play the role of Cain, as well as playing multiple other roles - there isn't just one Cain and one Abel and one the Lord and one Cain's twin sister, etc. Indeed that’s the point, because they’re “twins”, they’re not just Cain and Abel, but often Cain and Cain.

In Parts 1 and 2 I'll explore all the different interpretations of the original passage, and then in Part 3 I'll expand on the passage itself in Genesis 4:1-18. Read Part 2 here. Read on Ao3 here.

Some disclaimers and notes: 1) This meta is meant to unravel a lot of the symbolism and allusions JKR weaved into the story, and isn’t necessarily a literal interpretation of these characters.

2) Some of these may seem strange to emphasize, because obviously they're words or phrases that appear often and may not be intentional references to this narrative thread, but some specific details and JKR's writing style makes me think they are - i.e. see how JKR weaved in Dracula passages in this post; there's also Tom Riddle’s “burnished gold shield” borrowing from a passage in the Aeneid in this post, etc. So an extremely close reading of the text and paying attention to the exact wording (sometimes even just a single word) does matter a lot here to catch the allusions.

On that note, I’ve done my best to elaborate on the quotes, but since this is sort of like web weaving, many times the quotes are the meta, so make sure to pay close attention to them.

3) There’s a lot to unpack and it’s really hard to fit everything in one meta series - so bear with me on some of loose threads, I plan to elaborate on them in future metas.

4) Admittedly I got lazy with citations - my main sources are the article Why Did Cain Kill Abel? and this article on the Quran, and you can find elaboration on these interpretations and the sources for them there.

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Section 2.0

2.1 Now the brothers rejoiced in different pursuits. Abel, the younger, had regard for righteousness and, believing that God was present in all the things that were done by him, looked after virtue; and his life was that of a shepherd. On the other hand, Cain was both most wicked in other respects and, looking only to gain, was the first to think of ploughing the earth; and he killed his brother for the following reason.

It seeming best to them to sacrifice to God, Cain offered fruits from the cultivation of the soil and plants, while Abel offered milk and the first-born of the grazing animals. God took greater pleasure in this latter sacrifice, being honored by things that grow automatically and in accordance with nature but not by those things that grow by the force of grasping man with craftiness. Consequently, Cain, provoked that Abel had been valued more highly by God, killed his brother and rendering his corpse unseen, supposed that he would escape notice.

The following quotes may have weaved in the first passage, as Cain is often referred to as "the wicked one" - in HBP, “Of the Horcrux, wickedest of magical inventions, we shall not speak nor give direction” and “This time, as you will have seen, he killed not for revenge, but for gain.”

As for the second passage, Lily’s sacrifice isn’t just referring to Lily as a Christ figure - it’s also the sacrifice Cain and Abel offer to God. There are several ways it could fit - one being that Voldemort and Harry as Cain and Abel respectively, offered the same sacrifice which is Lily's death.

Voldemort doing so was looked upon with disfavor by God, because he was murdering his symbolic "sister", which lead to his partial death, while God favored Harry’s sacrifice because he got his mother willingly sacrificing herself for him, which led to Harry surviving the Killing Curse.

The jealousy aspect then, which is the most common interpretation of why Cain killed Abel, refers to Voldemort's jealousy over Harry's immortality:

“Well,” said Riddle, smiling pleasantly, “how is it that you - a skinny boy with no extraordinary magical talent - managed to defeat the greatest wizard of all time? How did you escape with nothing but a scar, while Lord Voldemort’s powers were destroyed?” (CoS)

Harry’s immortality is one way in which Voldemort and Harry are twins, and in a way is tied Voldemort’s name (meaning “flight from death” in French) - because Harry is Voldemort’s “twin brother” Flight From Death #2 (and Lily is Voldemort’s “twin sister”, Flight From Death #3 - more in this in future metas).

Another interpretation is that Voldemort and Harry are both Cain, and like the twins they are, both again offering the same sacrifice, and here both offering Lily as a sacrifice alludes to the guilt Harry feels at (inadvertently) being Cain and bringing about Lily's death for his immortality. Both offerings were looked upon with disfavor and rejected by God, and both Voldemort and Harry as Cain were exiled elsewhere, made to restlessly wander ("You will be a restless wanderer on the earth" from Genesis 4:12) - Voldemort in Albania, Harry with the Dursleys.

The last line of this passage - Cain, provoked that Abel had been valued more highly by God, killed his brother and rendering his corpse unseen, supposed that he would escape notice - is extremely important to analyzing Lily, but that’s for another meta.

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2.2 She gave birth to an infant and his color was that of the stars. He fell into the hands of the midwife and (at once) he began to pluck up the grass, for in his mother’s hut grass was planted. The midwife replied to him and told him, “God is just that he did not at all leave you in my hands. For, you are Cain, the perverse one, killer of the good, for you are the one who plucks up the fruit-bearing tree, and not he who plants it. You are the bearer of bitterness and not of sweetness.”

Interestingly, Sirius and Snape as narrative mirrors were inspired by the same passage - both of them are Cain, Sirius for causing his "brother" James and "sister" Lily's deaths through the Secret Keeper switch, and Snape for causing his "sister" Lily's death by conveying the prophecy.

"Color of the stars" refers to the Black family's star naming pattern, while "grass planted in his mother's hut" refers to Snape's connection to Eileen Prince and Potions, and Snape is shown "plucking up the grass and fruit bearing tree" in this scene in The Prince's Tale:

“Oh yes, they’re arguing,” said Snape. He picked up a fistful of leaves and began tearing them apart, apparently unaware of what he was doing. “But it won’t be that long and I’ll be gone.” “Dementors are for people who do really bad stuff. They guard the wizard prison, Azkaban. You’re not going to end up in Azkaban, you’re too —” He turned red again and shredded more leaves. Then a small rustling noise behind Harry made him turn: Petunia, hiding behind a tree, had lost her footing. (DH)

That refers to Snape plucking up the forbidden fruit of knowledge offered by Voldemort as the snake (see this meta by @ashesandhackles). The line about being the bearer of bitterness may refer to how Petunia and Snape, as Lily’s “sister and brother”, both have similarly negative names - Petunia flowers symbolize bitterness, anger, resentment; Severus means serious, grave, stern.

Fandom has pointed out that Snape is often associated with feminine figures i.e. Lady of the Lake; it's possible that Snape wearing women clothes (i.e. wearing his mother's clothes while sitting on the ground facing Lily - facing her as her reflection/"twin") is an allusion to Snape as Cain's twin sister (Cain in this case could be Lily, Voldemort, Harry, or Sirius).

Snape is also all but explicitly called Harry’s identical twin in OoTP - the joke here is that while Fudge was referring to the DA meeting in the Hog's Head, it was once upon a time Harry's “identical twin” - a.k.a Snape - in the Hog's Head:

“Yes, do let’s hear the latest cock-and-bull story designed to pull Potter out of trouble! Go on, then, Dumbledore, go on — Willy Widdershins was lying, was he? Or was it Potter’s identical twin in the Hog’s Head that day? Or is there the usual simple explanation involving a reversal of time, a dead man coming back to life, and a couple of invisible dementors?” (OoTP) “The Hog’s Head Inn, which Sybill chose for its cheapness, has long attracted, shall we say, a more interesting clientele than the Three Broomsticks [...] Of course, I had not dreamed, when I set out to meet Sybill Trelawney, that I would hear anything worth overhearing. My — our — one stroke of good fortune was that the eavesdropper was detected only a short way into the prophecy and thrown from the building.” (OoTP)

The "infant the color of the stars" additionally refers to Bellatrix, who also is Cain, killer of her “brother” Sirius, and later of Tonks; she also plays the “twin sister” of Cain (in this case Sirius).

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2.3 And the time arrived when Cain and Abel had gone up toward their fields. Two demons resembling Cain and Abel came. Now, one demon reproached the other demon. He became angry with him and took a stone sword, which was of a transparent stone. He cut his throat and killed him. And when Cain saw the blood, he went quickly and took the stone in his hand(s).

This passage corresponds to the scene of Ron destroying Slytherin’s locket - the stone sword is Gryffindor’s sword, Riddle-Harry and Riddle-Hermione are the demon resembling Cain and Ron as the other demon, Riddle-Harry and Riddle-Hermione “reproach” Ron aka torment and taunt him, Ron becomes angry and kills Riddle in the locket with the “stone sword”.

The imagery of "cutting his throat" may also refer to how the locket strangles Harry:

All he could do was raise a shaking hand to his throat and feel the place where the locket had cut tightly into his flesh. It was gone: Someone had cut him free. (DH)

All of them in that scene resemble Cain (in this case Voldemort), because the Riddle-Harry and Riddle-Hermione, distorted versions of the real people, verbally abuse and humiliate Ron using his insecurities exactly like Voldemort does to others.

Ron here also resembles Cain - when Harry sees Ron's red eyes, he fears that Ron too has become Cain, that he's become like Tom Riddle and will kill him, his "brother".

“Ron, stab it, STAB IT!” Harry yelled, but Ron did not move: His eyes were wide, and the Riddle-Harry and the Riddle-Hermione were reflected in them, their hair swirling like flames, their eyes shining red, their voices lifted in an evil duet. Ron looked toward him, and Harry thought he saw a trace of scarlet in his eyes. “Ron — ?” The sword flashed, plunged: Harry threw himself out of the way, there was a clang of metal and a long, drawn-out scream. Harry whirled around, slipping in the snow, wand held ready to defend himself: but there was nothing to fight. (DH)

The Cain and Abel passage then continues, and now this part corresponds to the scene of Voldemort killing Snape, with LV as Cain and Snape as Abel.

2.4 But when Abel saw him coming, he begged him, “Do not make me die, O my brother Cain!” He, however, did not accept his prayer and he spilled Abel’s blood in front of him.

And now Snape looked at Voldemort, and Snape’s face was like a death mask. It was marble white and so still that when he spoke, it was a shock to see that anyone lived behind the blank eyes. “My Lord — let me go to the boy —” […] “You have been a good and faithful servant, and I regret what must happen.” “My Lord —” “[…] While you live, Severus, the Elder Wand cannot be truly mine.” “My Lord!” Snape protested, raising his wand. “It cannot be any other way,” said Voldemort. “I must master the wand, Severus. Master the wand, and I master Potter at last.” [...] He pointed it at the starry cage holding the snake, which drifted upward, off Snape, who fell sideways onto the floor, blood gushing from the wounds in his neck. [...] He did not know why he was doing it, why he was approaching the dying man: He did not know what he felt as he saw Snape’s white face, and the fingers trying to staunch the bloody wound at his neck. (DH)

Interestingly, once Snape realizes Voldemort's about to kill him, he protests and begs Voldemort not to kill him three times, echoing Lily begging Voldemort and how she offers her own life in exchange for Harry's three times.

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2.5 It was said: Cain killed Abel by throwing a rock at his head while he was asleep. It was also said: Cain choked Abel violently and bit him to death as beasts do.

Not sure what throwing a rock at his head refers to, but the latter sentence ties to the scene where Voldemort tries to kill Harry and Snape via Nagini, and then Merope’s locket horcrux choking Harry, with Voldemort as Cain, and Harry and Snape as Abel.

The snake struck as he raised his wand: The force of the bite to his forearm sent the wand spinning up toward the ceiling; [...] He could not get enough breath into his lungs to call back: Then a heavy smooth mass smashed him to the floor and he felt it slide over him, powerful, muscular — “No!” he gasped, pinned to the floor. “Yes,” whispered the voice. “Yesss... hold you... hold you...” “Accio... Accio Wand...” But nothing happened and he needed his hands to try to force the snake from him as it coiled itself around his torso, squeezing the air from him, pressing the Horcrux hard into his chest (DH) “[…] The snake bit you too, but I’ve cleaned the wound and put some dittany on it...” He pulled the sweaty T-shirt he was wearing away from himself and looked down. There was a scarlet oval over his heart where the locket had burned him. He could also see the half-healed puncture marks to his forearm. (DH) Then something closed tight around his neck. He thought of water weeds, though nothing had brushed him as he dived, and raised his empty hand to free himself. It was not weed: The chain of the Horcrux had tightened and was slowly constricting his windpipe [...] Thrashing, suffocating, he scrabbled at the strangling chain, his frozen fingers unable to loosen it (DH)

And Voldemort swiped the air with the Elder Wand. It did nothing to Snape, who for a split second seemed to think he had been reprieved: But then Voldemort’s intention became clear. The snake’s cage was rolling through the air, and before Snape could do anything more than yell, it had encased him, head and shoulders, and Voldemort spoke in Parseltongue. “Kill.” There was a terrible scream. Harry saw Snape’s face losing the little color it had left; it whitened as his black eyes widened, as the snake’s fangs pierced his neck, as he failed to push the enchanted cage off himself, as his knees gave way and he fell to the floor. (DH)

In general there are quite a few similar scenes involving choking and strangulation - i.e. Marvolo attempting to kill Merope by choking her, Vernon strangling Harry in OoTP, etc. It also evokes a dementor’s/Death’s hands wrapping around someone.

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2.6 And so they went on, until they came to a lonely place, where there were no sheep; then Abel said to Cain, “Behold, my brother, we are weary of walking, for we see none of the trees, nor of the fruits, nor of the verdure, nor of the sheep, nor any one of the things of which you told me. Where are those sheep of yours that you told me to bless?” Then Cain said to him, “Come on, and presently you will see many beautiful things, but go before me, until I come up to you.” And Abel was walking in his innocence, without guile, not believing his brother would kill him. Then Cain, when he came up to him, comforted him with his talk, walking a little behind him. Then he hastened and smote him with the staff, blow upon blow, until he was stunned.

This refers to the scene of Voldemort's vanquishment, with Lily as Cain and Voldemort as Abel. Because the text reveals Lily, far from being solely the Virgin Mary, is also Cain in several ways, and reveals that Lily killed Voldemort intentionally (more on this in future metas).

This is Voldemort walking in his innocence, without guile, not believing Lily would kill him:

He could hear her screaming from the upper floor, trapped, but as long as she was sensible, she, at least, had nothing to fear... He climbed the steps, listening with faint amusement to her attempts to barricade herself in... She had no wand upon her either... How stupid they were, and how trusting, thinking that their safety lay in friends, that weapons could be discarded even for moments (DH)

Then Lily comforted Voldemort with her talk when she pretended to plead and begged him for mercy and to take her life instead. Then Lily smote him blow upon blow, until he was stunned:

“I miscalculated, my friends, I admit it. My curse was deflected by the woman’s foolish sacrifice, and it rebounded upon myself. Aaah… pain beyond pain, my friends; nothing could have prepared me for it.” (GOF)

The phrase “blow upon blow” is alluded to in the wording used for Ariana’s murder by Dumbledore:

“Though Ariana had been in poor health for a long time, the blow, coming so soon after the loss of their mother, had a profound effect on both of her brothers.” “You see, I never knew which of us, in that last, horrific fight, had actually cast the curse that killed my sister. You may call me cowardly: You would be right. Harry, I dreaded beyond all things the knowledge that it had been I who brought about her death, not merely through my arrogance and stupidity, but that I actually struck the blow that snuffed out her life.” (DH)

And now note that in the next quote, Dumbledore doesn't say that Lily "died to save" Harry - he instead uses active phrasing, and very similar to the phrasing he uses for Ariana’s death, again establishing both Lily and Dumbledore as Cain - Lily striking the death blow on her “brother” Voldemort, as Dumbledore fears he did with Ariana:

“Tell him that on the night Lord Voldemort tried to kill him, when Lily cast her own life between them as a shield, the Killing Curse rebounded upon Lord Voldemort, and a fragment of Voldemort’s soul was blasted apart from the whole, and latched itself onto the only living soul left in that collapsing building.” (DH)

I'll further expand on the significance of “walking a little behind him" in a future meta, but to explain some here, the phrase is weaved in PS with the Mirror of Erised, setting up Lily as the true killer of her "brother" Voldemort and Dumbledore as killer of his "sister" Ariana:

He looked in the mirror again. A woman standing right behind his reflection was smiling at him and waving. He reached out a hand and felt the air behind him [...] (PS) He looked behind him. Sitting on one of the desks by the wall was none other than Albus Dumbledore. Harry must have walked straight past him, so desperate to get to the mirror he hadn’t noticed him. (PS)

The reason Lily is right behind Harry, presenting Lily as Cain to Harry, is referring to Lily’s guilt at that fact, similar to Harry's guilt at getting Sirius killed, etc - because it was Lily’s choice that deflected the Killing Curse, Lily who fulfilled the prophecy and landed Harry in these circumstances. More on this in section 2.10.

Lily's arms are emphasized because they're Death's arms closing around Voldemort from behind - hence "walking a little behind him":

he felt arms enclose him from behind, thin, fleshless arms cold as death, and his feet left the ground as they lifted him and began to carry him, slowly and surely, back to the water, and he knew there would be no release, that he would be drowned (HBP) now little lights were popping inside his head, and he was going to drown, there was nothing left, nothing he could do, and the arms that closed around his chest were surely Death’s... (DH) [...] and there she stood, the child in her arms. At the sight of him, she dropped her son into the crib behind her and threw her arms wide, as if this would help, as if in shielding him from sight she hoped to be chosen instead... (DH) His job was to walk calmly into Death’s welcoming arms. [...] the end would be clean, and the job that ought to have been done in Godric’s Hollow would be finished: Neither would live, neither could survive. (DH)

The phrases “Come on”, “until I come up to you”, “when he came up to him” may be alluded to in the repetition here, and also that the Killing Curse’s deflection happens on the upper floor of the house.

“I have been waiting for you to appear since we arrived here. I knew you’d come. I have many questions for you, Harry Potter.” (COS) "Time’s nearly up. Potter’s had his hour. He’s not coming.” “And he was sure he’d come! He won’t be happy.” (DH) “I thought he would come,” said Voldemort in his high, clear voice, his eyes on the leaping flames. “I expected him to come.” (DH) “The Dark Lord will rise again, Crouch! Throw us into Azkaban; we will wait! He will rise again and will come for us, he will reward us beyond any of his other supporters!" (GOF) “Now it was just Father and I, alone in the house. And then... [...] My master came for me.” (GOF) “Your mother’s coming…” he said quietly. “She wants to see you… it will be all right… hold on…” And she came… first her head, then her body… a young woman with long hair, the smoky, shadowy form of Lily Potter blossomed from the end of Voldemort’s wand (GOF)

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2.7 At that time Eve told Adam, “My lord, Adam, in my sleep I saw that the blood of my son Abel was pouring into the mouth of Cain his brother, and he drank it without mercy. And Abel beseeched him to leave him (a little) of his blood, and he did not agree to hearken to him but he drank it completely … and it could not at all be removed from his body.”

This corresponds to Voldemort taking Harry’s blood inside him - however it also refers to Lily, Voldemort taking a bit of Harry and Lily inside him, both not able to be removed from his body:

“I wanted Harry Potter’s blood. I wanted the blood of the one who had stripped me of power thirteen years ago... for the lingering protection his mother once gave him would then reside in my veins too...” (GOF) “He took my blood,” said Harry. “Precisely!” said Dumbledore. “He took your blood and rebuilt his living body with it! Your blood in his veins, Harry, Lily’s protection inside both of you! He tethered you to life while he lives!” [...] “He took your blood believing it would strengthen him. He took into his body a tiny part of the enchantment your mother laid upon you when she died for you. His body keeps her sacrifice alive, and while that enchantment survives, so do you and so does Voldemort’s one last hope for himself.” (DH)

This could also refer to the horcrux inside Harry, a piece of Voldemort that can't be removed from his body, and also the description of Ginny here, and how that ties into the way Voldemort's parasitic to his followers/"family":

"Voldemort put a bit of himself in me?" Harry said, thunderstruck. (COS) "So Ginny poured out her soul to me, and her soul happened to be exactly what I wanted... I grew stronger and stronger on a diet of her deepest fears, her darkest secrets. I grew powerful, more powerful than little Miss Weasley. Powerful enough to start feeding Miss Weasley a few of my secrets, to start pouring a little of my soul into her..." (CoS)

Note the repetition of the word "pouring" ("the blood of Abel was pouring into the mouth of Cain", "poured out her soul", "pouring a little of my soul into her"), and how words like "diet" and "feeding" evoke the idea that Voldemort’s drinking Ginny's soul like drinking blood, and likewise she’s made to drink his - tying into the Dracula parallel mentioned in this post.

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2.8 Cain was brought punishment very soon afterwards. On the same day he killed his brother, Abel, his foot was tied up to his thighbone and his face was forcibly directed up to the sun disk. His face used to go where the sun goes as a way of punishment and penalty in return for what he had done to his own brother.

On the same day when Voldemort killed Harry in the Final Battle and Harry was once more resurrected, Voldemort's "foot being tied up to this thighbone" likely means that Voldemort finally dies, his feet are no longer leaving the ground and landing lightly, he's no longer flying from death. And as he dies, his face is "forcibly directed up to the sun":

A red-gold glow burst suddenly across the enchanted sky above them as an edge of dazzling sun appeared over the sill of the nearest window. The light hit both of their faces at the same time, so that Voldemort’s was suddenly a flaming blur. Harry heard the high voice shriek as he too yelled his best hope to the heavens, pointing Draco’s wand: “Avada Kedavra!” “Expelliarmus!” [...] Harry saw Voldemort’s green jet meet his own spell, saw the Elder Wand fly high, dark against the sunrise, spinning across the enchanted ceiling [...] The fierce new sun dazzled the windows as they thundered toward him, and the first to reach him were Ron and Hermione, and it was their arms that were wrapped around him, their incomprehensible shouts that deafened him (DH)

This is also an allusion to Voldemort as a vampire (the Dracula influence is obvious), melting in the sun.

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2.9 However, Abel's saying when Cain threatened to kill him: {If you do stretch your hand against me to kill me, I shall never stretch my hand against you to kill you

This corresponds to Voldemort using Avada Kedavra while Harry only uses Expelliarmus and also Harry walking to his death, never stretching his hand against Voldemort to kill him.

It also ties to Lily not directly fighting back while Voldemort kills her with his wand, and the fight between Aberforth and Dumbledore:

Aberforth shouted that it was all Albus’s fault that Ariana was dead and then punched him in the face. According to Bathilda, Albus did not even defend himself, and that’s odd enough in itself, Albus could have destroyed Aberforth in a duel with both hands tied behind his back. (DH) when at last he flung himself across Voldemort’s path, and did not raise a wand to defend himself, the end would be clean (DH)

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2.10 What were they arguing about? They said, “Let’s divide up the world. One took the land and the other [took] the movable goods. This one said, “The land you are standing upon is mine.” This one said, “What you are wearing is mine.” This one said “Strip” [so you are not wearing my clothes]! and this one said “Fly” [so you are not on my land]! As a consequence, “Cain rose up against Abel…”

They both took lands and they both took movable goods. What were they arguing about? One said “the Temple will be built in my territory” and this one said “in my territory…”

“You know,” said Sirius loudly [...] “I think I’d prefer it if you didn’t give orders here, Snape. It’s my house, you see.” (OOTP) “This is my house, Bella, you don’t give orders in my —” (DH) “Stand aside, you silly girl... stand aside, now.” (DH)

Voldemort is giving Lily orders in her house, on her land, in her territory - and she doesn't obey (And, well, since James died first, Lily inherited all his stuff, so I guess it was truly her land).

Both the Godric’s Hollow house and the blood wards on Privet Drive are also Lily saying to Voldemort, this land you’re trying to stand upon is mine, Voldemort can’t enter without her express permission:

And his scream was Harry’s scream, his pain was Harry’s pain… that it could happen here, where it had happened before… here, within sight of that house where he had come so close to knowing what it was to die... to die… The pain was so terrible… ripped from his body And then he broke: He was nothing, nothing but pain and terror, and he must hide himself, not here in the rubble of the ruined house, where the child was trapped and screaming, but far away (DH)

The same applies to the graveyard scene in GoF, where Priori Incantatem first makes both Harry and Voldemort fly away from where they’re standing after Voldemort points to his father’s grave and mentions Lily, alluding to Lily’s grave (which comes full circle in the graveyard scene in DH):

“You stand, Harry Potter, upon the remains of my late father,” he hissed softly. “A Muggle and a fool... very like your dear mother. But they both had their uses, did they not? Your mother died to defend you as a child... and I killed my father, and see how useful he has proved himself, in death...” And then — nothing could have prepared Harry for this — he felt his feet lift from the ground. He and Voldemort were both being raised into the air, their wands still connected by that thread of shimmering golden light. They glided away from the tombstone of Voldemort’s father and then came to rest on a patch of ground that was clear and free of graves (GOF)

That’s Lily telling her "brother" Voldemort, you mentioned my death, therefore this land you’re standing upon is mine, and Fly [so you’re not on my land!].

You could say the territory Voldemort as “brother and sister” are fighting over is Harry - Voldemort says "Mine!", and immediately Lily's magic comes to save Harry and says no, he's mine:

Barely gripping the plummeting bike with his knees, Harry heard Voldemort scream, “Mine!” It was over: He could not see or hear where Voldemort was; he glimpsed another Death Eater swooping out of the way and heard, “Avada —” As the pain from Harry’s scar forced his eyes shut, his wand acted of its own accord. He felt it drag his hand around like some great magnet, saw a spurt of golden fire through his half-closed eyelids, heard a crack and a scream of fury. The remaining Death Eater yelled; Voldemort screamed, “No!” (DH)

While Voldemort tries to claim Harry as his, Lily is claiming Harry as hers; while Voldemort marked Harry as his equal, Lily marked Harry as her equal:

"Love as powerful as your mother’s for you leaves its own mark. Not a scar, no visible sign [...] It was agony to touch a person marked by something so good" (PS)

But there’s another meaning to this - that Lily also inadvertently marked Harry as Cain, because it was Lily’s choice that forged the connection between Harry and Voldemort, and therefore Lily’s choice that resulted in all the pain Harry’s going through, Lily’s sacrifice being what is truly responsible for that scar on Harry’s forehead, and Lily's subsequent guilt the way Dumbledore feels guilt about Ariana etc.

"What you are wearing is mine" and "So you are not wearing my clothes" refers to Death's Invisibility Cloak - which represents the aegis and Lily and Harry framed as the two “true owners” (see my meta “When Lily Cast Her Life As A Shield": Analysis of the Shield Charm for elaboration). Those lines are weaved into this highly significant passage:

“One: He’s sitting on my chair. Two: He’s wearing my clothes. Three: His name’s Remus Lupin...” (OoTP)

This joke actually has an important hidden meaning relating to Lily, but more on that in future metas.

"This one said 'Fly'" also refers to Lily, Voldemort, and Snape's ability to fly unsupported, as well as Harry's Quidditch skill and him being Voldemort's "twin brother" Flight From Death #2.

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Read Part 2 of this meta