One day Harry got a letter but he doesn't now from who. his uncle took the letter from him and after that he got every day more and more letters. After a long time somebody came to him to tell him about the letter.
“Jo always talked about him as being vulnerable, most bullies are. They’re actually hugely insecure and have their own problems, and he has the worst parental guidance of any child I’ve ever seen in my life.” - Tom Felton