Heirs -Wrong boy who lived fic

Harry is neglected by his parents who are under the impression that his brother Charlie is the boy who lived. The only people who acknowledge him are his uncle's Moony and Padfoot. He runs away once he's had enough. Along the way he makes friends. Now Dumbledore wants to hire him to protect his arrogant brother the so called boy-who-lived. Will this end up well or take a turn for the worse.