Freedom fighter

A freedom fighter was an individual who went against what their leaders believed. (TV: The Dalek Invasion of Earth)

A group of freedom fighters was formed during the 22nd century Dalek invasion of a different timeline. (TV: The Dalek Invasion of Earth)

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