Beatrice Prior: Tris for short, her brother is Caleb. She is a transfer into Dauntless from Abnegation.
Caleb Prior: Tris’ older brother but they were born less than a year apart. He is a transfer into Erudite from Abnegation.
Tobias Eaton: His nickname is Four because he only had four fears. He is a Dauntless instructor. He came from Abnegation but switched into Dauntless to get away from his abusive father.
Jeanine Matthews: The leader of Erudite that keeps a close eye on the Abnegation.
Marcus: Leader of Abnegation and father of Tobias.
Evelyn: Factionless leader and mother of Tobias.
Johanna: The leader of Amity and the Allegiance group.
Eric: A cruel Dauntless leader with many piercings and tattoos; who loves power.
Tori: A Dauntless member who works in the tattoo parlor.
Uriah: A Dauntless born initiate who becomes friends with Tris and younger brother of Zeke.
Christina: A friend of Tris. She is a transfer into Dauntless from Candor and has a bit of a big mouth.
Albert: Al for short. A Dauntless initiate who is large and friendly. He finds Dauntless training very difficult.
Peter: A Candor transfer into Dauntless who is strong and will take out his competition by murdering them.
David: Leader of the Bureau Genetic Welfare.
Zoe: Lives in Bureau and is David’s assistance.
Juanita: Nita for short; works in Bureau and is genetically damage and tries to prove that genetically pure are also flawed.
Matthew: Works in the computer lab of Bureau.
Amar: Was Tobias’ instructor in Dauntless and thought to be dead because of his divergence