freedom fighter
noun [ C ] uk/ˈfriː.dəm ˌfaɪ.tər/ us/ˈfriː.dəm ˌfaɪ.t̬ɚ/
（采取暴力手段试图推翻政府的）自由战士
a person who uses violent methods to try to remove a government from power
It's often said that one person's freedom fighter is another person's terrorist. 常言道，一个人眼中的自由战士在另一个人看来是恐怖分子。
Compare: insurgentrebel nounterrorist