dissident

noun

A person who opposes official policy, especially that of an authoritarian state.

adjective

In opposition to official policy.

SYNONYMS

agitatordisputantdisruptordissenterfreethinkerindependent thinkerinsurgentinsurrectionaryinsurrectionistmutineernonconformistobjectorprotesterrebelrecusantrefusenikrenegaderevolutionarysubversive