noun

A person who advocates or promotes anarchism or anarchy.

They were made up of socialists, republicans, anarchists, revolutionary syndicalists and Catholics.

nihilist,insurgent,agitator,subversive,guerrilla,terrorist,bioterrorist,narco-terrorist,ecoterrorist,cyberterrorist,agroterrorist,freedom fighter,resistance fighter,rebel,revolutionary,revolutionist,Bolshevik,mutineer

adjective

Relating to or supporting anarchism or anarchy.

an anarchist newspaper