What is the meaning of Militant?

Fighting or disposed to fight; belligerent, warlike.

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

A soldier, a combatant.

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

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

a militant

gerund of militar

militant (belligerent, tending to violence, defensive)

a militant, combatant

a devoted supporter, activist

militant

an activist, campaigner

present participle of militer

militant

third-person plural present active indicative of mīlitō

militant

activist

militant (belligerent)

militant (combative)

Source: wiktionary.org