Main Characters
Four
Four is a Dauntless coach who tests peoples skills through out the initiation. Tris finds herself drawn to Four although he is two years older than her.
Four is a coach who pushes people to the limit. Tris finds herself in a love hate relationship with Four.
Caleb
Caleb is Tris's brother. Tris believes he will stay in Abegnation because he is completely selfless. Instead he chooses to bcome a member of Erudite; the intelligent.
Tris is completely shocked by this but remembers the stacks of books on his desk.