Answer:
One title for Insurgent could be Rebel. This is because Beatrice "Tris" Prior goes against her faction's (the loyal part of it) wishes like a rebel. Instead, she and Christina use their own plan to stop Erudite.
Another title for Insurgent could be Freedom Fighter. This is because Tris and Christina, and pretty much the entire loyal Dauntless were fighting for their freedom from Candor and Amity - and Erudite as well.
A last title for Insurgent could be Agitator. This is because an agitator is a person who doesn't listen to the government's rules. In this case, Tris doesn't listen to her government's rules either - escaping Candor, Amity, and Erudite.
Hope that helps! :)
-Aphrodite
Explanation:
