Answer: militant

AnswerCrossword Clue
MILITANTActivist, often
MILITANTSupportive in an aggressive way
MILITANTRebel
MILITANTCombatively supportive
MILITANTCombative
MILITANTFighting.
MILITANTAggressive.
MILITANTContentious
MILITANTUnlike doves
MILITANTVigorously aggressive, as in support of a cause
militantCombative and aggressive in support of a political or social cause, and typically favoring extreme, violent, or confrontational methods
militanta person who takes active part in a struggle