militant

"The border guards are highly-trained militants prepared to defend the country. "

"The animal rights group contained both peaceful protesters and a few militants who were willing to damage property. "

"The young activist identified as a militant, subscribing to the Militant newspaper and advocating for radical changes in worker's rights. "

"The student's militant stance on the school rules made it difficult to reach a compromise. "

"The militant student group protested loudly for better school resources. "