militant

US /ˈmɪl.ə.tənt/
UK /ˈmɪl.ə.tənt/
"militant" picture
1.

combative and aggressive in support of a political or social cause, and typically favoring extreme, violent, or confrontational methods

:
The group adopted a more militant stance after the protests.
She is a militant advocate for environmental protection.
1.

a person who is combative and aggressive in support of a political or social cause, and typically favors extreme, violent, or confrontational methods

:
The police arrested several militants after the riot.
He was known as a political militant in his youth.