The Girl Oliver Saved

A famous professional Quidditch player for Puddlemere United, Oliver Wood seems to have a great life. However, he is about to receive a shock as he finds an abused and neglected seven year old girl with torn clothing, bruises, and cuts crying in an alleyway. Who is she? Where are her parents? Who abused her? Can he save her? Most importantly, can he teach her to trust again?