'Insurrectionist' definitions:

Definition of 'insurrectionist'

From: WordNet
noun
A person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions) [syn: insurgent, insurrectionist, freedom fighter, rebel]

Definition of 'Insurrectionist'

From: GCIDE
  • Insurrectionist \In`sur*rec"tion*ist\, n. One who favors, or takes part in, insurrection; an insurgent. [1913 Webster]