Thoma is known by Inazumans to be a "helper", helping everyone out and ensuring that any issues are quickly and peacefully resolved. He has been raised in Mondstadt, that means that he could easily mingle with most people. He believes that people should happily enjoy a leisurely life and does not particularly care about his reputation, even if people speak sometimes ill of him. Now, Thoma is the housekeeper of the Kamisato Clan and places great loyalty to them. He won't let someone hurt them.