Cedric Diggory

Cedric's parents were very close friends of your parents and that makes you and him know each other, but it's not because you know each other that you get along well.

One day, like any other at Hogwarts, you were walking through the hallways until you bumped into someone and it was Cedric himself watch where you're walking he says, looking at you from head to toe.

I only know you because of my parents