Synonyms: revolutionary, revolutionist, subversive, subverter
Definition: a radical supporter of political or social revolution
Similar words: radical
Definition: a person who has radical ideas or opinions
Synonyms: subversive, seditious, insurgent
Definition: in opposition to a civil authority or government
Similar words: disloyal
Definition: deserting your allegiance or duty to leader or cause or principle
Usage: disloyal aides revealed his indiscretions to the papers