"Taught him how to cloak his magic. That wasn't easy, especially for an animagus. Also brought him to the village. Helped him find a place to stay there. He wanted to be in the middle of it all. Wanted to know all of the Resistance's secrets. Since we met in Tiberius Zeller's house most of the time, I suggested confounding him. He could live comfortably in front of his fireplace and hear all he wished."