Synonyms: guerilla, guerrilla, insurgent, irregular
Definition: a member of an irregular armed force that fights a stronger force by sabotage and harassment
Similar words: warrior
Definition: someone engaged in or experienced in warfare
Synonyms: insurgent, insurrectionist, freedom fighter, rebel
Definition: a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)
Similar words: reformer, reformist, meliorist, social reformer, crusader
Definition: a disputant who advocates reform
Similar words: revolutionary, revolutionist, subversive, subverter
Definition: a radical supporter of political or social revolution
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