Severus might initially be shocked. He could then feel a sense of protectiveness over Harry. He might start to secretly look out for Harry, like making sure he has enough to eat at Hogwarts and is safe from further harm.
One common plotline is Severus becoming Harry's protector. He may start to train Harry privately to make him stronger. Another could be Severus confronting Harry's abusers, whether it's the Dursleys or others in the wizarding world.
James might be shocked at first. He could then feel a sense of protectiveness towards Severus. Maybe he starts to see Severus in a new light and tries to find ways to help him, like keeping an eye on those who abuse Severus.
The relationship may become more complicated. Severus might struggle with his own emotions. He might feel an urge to protect Harry from this fictional abuse, but at the same time, he has to deal with his long - standing animosity towards Harry. So, it could lead to a very strange and tense dynamic between them, with Severus trying to balance his new - found protectiveness and his old grudges.
Severus might be initially shocked. He could feel a strange sense of protectiveness over Harry, despite their past differences. He might try to find out who wrote the fan fiction and why they depicted such a disturbing scenario.
After James discovers Severus' abuse, Severus may experience a range of emotions. He might be initially reluctant to accept James' help, given their history of animosity. But if he does accept, it could lead to a transformation in his self - esteem. He could start to believe that he is worthy of protection and care. In terms of his relationships at school, it could either improve his standing if the other students follow James' lead in protecting him, or it could make things more complicated if there are those who oppose James' new - found support for Severus. His academic performance might also be affected. If he feels more secure, he could focus better on his studies, but if he is dealing with the fallout of the abuse being known, it could be a distraction.
In the fanfic 'Malfoy's Revelation', Malfoy is paired with Harry for a project. As they spend time together, Malfoy notices some strange behaviors from Harry, like flinching at sudden movements. After some snooping around, he discovers that Harry has been abused. This new knowledge makes Malfoy more empathetic towards Harry and he tries to help him in his own way, which includes standing up for Harry against some of their mutual enemies at Hogwarts.
Well, first of all, the students would probably be shocked. His friends, like Ron and Hermione, would be extremely angry at the Dursleys. They might try to comfort Harry more often. And the school itself could start providing special resources for Harry, such as counseling or extra protection spells. Also, there could be a big change in the way the wizarding community views Harry. Instead of just seeing him as the 'Boy Who Lived', they would see him as a victim who needs support.