noun

1. A soldier, a combatant.

2. An entrenched or aggressive adherent to a particular cause, now especially a member of a particular ideological faction.

3. Specifically, someone who supports the Trotskyist political view expressed in the newspaper Militant, or who engages in aggressive left-wing politics.

adjective

1. Fighting or disposed to fight; belligerent, warlike.

2. Aggressively supporting of a political or social cause; adamant, combative.

Synonyms: warrish