What are the possible consequences for the abuser in the fanfiction where McGonagall finds out Sirius is abused?

The abuser might find themselves ostracized by the whole demigod community. Word would spread about what they did, and no one would want to be associated with them. Also, they could be targeted by other protective figures in Percy's life, not just Poseidon. The gods and goddesses who have some connection to Percy or just have a sense of justice would make sure the abuser pays for their actions. They could be cursed to have a series of misfortunes befall them, like always being in the wrong place at the wrong time and facing various dangerous situations.

The abuser might face social ostracism. Once Hopper reveals the abuse, the community would likely turn against the abuser. People would stop associating with the abuser, and it could lead to the abuser losing their job or status in the town. Also, there could be legal consequences like having to pay fines or go to jail depending on the severity of the abuse and the laws in place.

In the fanfiction, the abuser might be ostracized by the society. People would start to question his motives and actions. His influence in the wizarding world, whether it's in business or politics, would decline rapidly. The abuser might also have to face the wrath of some of the more powerful and just characters in the story. They could use their influence to make sure the abuser is held accountable for his actions.

The abuser could face magical justice. In the wizarding world, there are probably spells or enchantments that can be used to punish wrongdoers. James Potter might use his connections to ensure the abuser is dealt with severely, like being sent to Azkaban or having their magic restricted.

The abuser might face the wrath of the champions. They could be reported to the authorities in the wizarding world.

The abuser might face the wrath of the DA. They could be ostracized within the wizarding community. The DA members could use their influence to make sure the abuser is held accountable for their actions.

Sirius might use magic to punish them. He could hex them or use some other form of magic to make them feel the pain they inflicted on Harry.

She might be horrified and immediately take steps to protect Sirius. For example, she could confront the abuser or report it to the proper authorities within the wizarding world.

The abuser could face public shame. Rita's articles could expose their actions to the entire wizarding community.

There could be a plot development where Remus and Sirius go on a journey to find a new place to start over, away from the abuser. Another development could be that Remus uses his intelligence to outwit the abuser legally. The fanfiction could also show how Remus helps Sirius regain his confidence and self - esteem. As Sirius heals, they might start to explore their relationship in a deeper way, whether it's a stronger friendship or something more romantic. There could also be a sub - plot where other characters get involved in different ways, some trying to help and some causing more trouble.