There Are several possible Companions added as the story progresses. You begin the game with Innocence Smith a fellow prisoner you save in the shower. You can have only one companion at a time. They will comment on the story

Possible CompanionsEdit

Innocence Smith: Game starts with him as a possible companion. During chapter 1 he will wait in the messhall if dismissed. In chapter 2 he will wait in the Abandoned Building if he hasn't left to join the resistance

Mary: After you save her life in chapter 2 she can be recruited in the abandoned building bedroom

Tenacity Williams After meeting Honour Grant. Return home and after beating him and his 2 dogs he'll be outside the abandoned building bedroom.

Devotion becomes a companion for chapter 3