What does Magnus see as his role among his group of friends in the novel, Magnus Chase and the Gods of Asgard, Book 3 The Ship of the Dead?

Magnus sees his role within the group as healer. He has healing powers from his father Frey, and uses them often to help his friends when they are hurt in combat. He also makes a point to support his friends emotionally, and sees that as an extension of his role as a healer.