An individual who rebels or rises up against an established authority or government; may be armed. Used in news or historical contexts.
反乱者は町の中心部を占拠した。
The rebel(s) occupied the center of the town.
彼は反乱者として逮捕され、裁判にかけられた。
He was arrested as a rebel and put on trial.
多くの反乱者が武装解除を求められた。
Many rebels were ordered to disarm.