In many such fanfictions, Hermione might first be in disbelief. Then she could become extremely protective of Harry. She might use her intelligence to find ways to help Harry heal, like researching magic that could soothe his emotional scars. For example, she could look into spells that erase bad memories or ones that promote emotional well - being.
Dumbledore's reaction could be complex. He might feel guilty for not realizing it sooner. In some fanfictions, he would try to make amends by providing more support and protection to Harry. Other teachers at Hogwarts, like McGonagall, would be sympathetic and might offer their own forms of help, like extra tutoring or a place for Harry to relax.
He might be shocked at first. Draco, despite his past rivalries, could feel a sense of protectiveness. He might initially struggle with his own beliefs and prejudices but then decides to help Hermione in secret. He could use his family's resources to make sure she is safe from further harm.
The discovery of the abuse would likely turn their relationship upside down. Draco may go from being indifferent or even mean to Hermione to being her secret defender. This could lead to a lot of internal conflict for him as he has to reconcile his new - found feelings of protectiveness with his old grudges. Over time, their relationship could evolve into a strange sort of partnership where they rely on each other in ways they never expected.
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.
The other students could have a range of reactions. Some might be sympathetic and try to befriend Harry more. Others might be afraid, especially if the abuser is still around. But overall, it would create a stir in the wizarding community, and there would be a general outpouring of concern for Harry's well - being.
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.