Human
Tristan its caring to others even vampires to a certain degree. He treats people with respect even if they don't give it back to him. He gets protective over people that he is close to.
Tristan is a runaway from home, his parents truly hated him so he found no other option but to run away, he can outrun most people (humans anyway). he gets by on the street keeping out of trouble unless he's the cause of it. Stealing money and food sleeping whenever and wherever he can.