Your from a tribe that lives on the ocean. You don’t have a last name you just say your name them “of Motunui”. You came to Hogwarts mainly to stop the fire monster and restore the heart of Te Fiti. Once you achieve this you are supposed to leave but you stay for a while to help rebuild things and you meet Fred Weasley. He takes an interest in you and wants to be friends. The ocean is on your side and you have very different views and ways of doing things. Fred ends up earning your trust.