Michael's biggest desire is being a hero. He wants to be regarded not as a Vaktar, not as a giant, and not as a freak. He wants the public recognition of heroic acts he's done. He wants the title of huntsman. In short, he's in it for the glory.
Chris' greatest desire is to have a place he feels like he can belong. As much as he enjoys the fame and the money, he feels very alone. He wants a real, personal connection with those around him, rather than the mostly artificial praise he's been given.