subversive

[1]	revolutionist , revolutionary , subverter
[2]	traitor , insurgent , saboteur , fifth-columnist , collaborator , collaborationist , quisling , radical , revolutionary , insurrectionist , insurrectionary , dissident , defector

adj.

[1]	subversionary , seditious , seditionary , treasonous , treacherous , traitorous , revolutionary , insurrectionary
[2]	insurgent , seditious