Sorcerer Hunter Spirits

On the way to meet with Big Mama at the Stella Church, Carrot is emotionally torn as he begins to wonder why he is even hunting sorcerers. Is it because he wants to help the common folk, or is it because Big Mama says to, or…? Or is he just making this up, so that he can trick the rest of the gang into letting him stay in a town full of beautiful women? I think you know the answer.