Freedom fighter

A freedom fighter was an individual who went against their own leader's dogma. A group of freedom fighters were formed during the 22nd century Dalek invasion during a different timeline. (TV: The Dalek Invasion of Earth)

Miss Quill was a freedom fighter on her home world Rhodia but was considered a terrorist. (TV: For Tonight We Might Die) She was continually punished for this and other crimes. (TV: The Coach with the Dragon Tattoo)