Well, Cedric is a good - hearted character. When he finds out Harry is being abused, he would probably be angry at the situation and the abusers. He would try to use his influence among his friends and in the school to make sure Harry has a support system. He may offer Harry a place to stay away from the source of abuse if possible, and he would constantly check on Harry's well - being, both physical and mental. He'd also encourage Harry to speak up about the abuse so that proper action can be taken.
Cedric would likely be horrified. He might start to question how he hadn't noticed before. He could then confront those he suspects of the abuse or try to get help from the proper authorities within the wizarding world, such as professors who he trusts. He'd also be there for Harry emotionally, listening to him and reassuring him that he's not alone.
He might be shocked at first. Then he could feel a strong sense of protectiveness towards Harry. Maybe he immediately tries to find ways to keep Harry safe from further harm, like staying closer to him at all times.
Cedric would probably be very angry.
Cedric might first talk to Harry privately to get all the details. Then he could go to Dumbledore for help.
In this kind of fanfiction, Cedric might feel shocked and angry. He could decide to protect Harry from further harm. Maybe he'll try to find the abuser and put a stop to it.
Well, Bill could be shocked at first. But then he would likely become very protective. He may take Harry to a safe place, like the Burrow, and gather his family around to support Harry. He would also probably try to find out more about the abuse, like who was behind it and for how long it had been going on. He'd be determined to make sure it never happened again.
Sirius would likely be extremely angry. He already has a protective streak towards Harry. He might immediately confront those he suspects of the abuse, whether it's the Dursleys or others at Hogwarts. He would probably also try to remove Harry from the situation as quickly as possible.
Cedric would be deeply troubled. In the wizarding world, they have their own code of honor and respect. Finding out about Harry's abused fanfiction would go against everything Cedric stands for. He might start to question the morality of the Muggle world that allows such things to be written. He would also feel a sense of sadness for Harry, knowing that someone out there has created a story that portrays him in such a negative and harmful light. Cedric might even consider taking some sort of action, like talking to Harry about it or trying to get the fanfiction removed if he could, though that would be a complex matter given the nature of fanfiction and the different worlds they live in.
Cedric could also try to find out more about the origin of the fanfiction. He might use his connections in the wizarding world or even try to understand Muggle ways of tracking down information. Once he has more information, he could decide whether to confront the writer, if possible, or simply try to protect Harry from the negative impact of such a story. For example, he could make sure Harry doesn't accidentally come across it and get hurt by it.
She might be shocked at first. Daphne could then become very protective of Harry. Maybe she tries to find ways to keep him safe from the source of the abuse.
Well, Dumbledore has always had a special connection with Harry. When he finds out about the abuse, he would be devastated. His first instinct would be to comfort Harry. He might also reflect on his own actions and whether he could have prevented the abuse from happening. Dumbledore would then use all of his resources to make sure Harry is safe and happy. He could provide Harry with a mentor or a guide to help him through the difficult times, someone who can teach Harry how to cope with his past and move forward in a positive way.
Arthur might be shocked and immediately want to protect Harry. He could start by confronting those who are abusing Harry or find a safe place for Harry to stay.