brigade

noun

1. A group of people organized for a common purpose.

   “a work brigade; a fire brigade”

2. A military unit composed of several regiments (or battalions) and including soldiers from different arms of service.
3. (derogatory)A group of people who share views or a specific characteristic.

   “More sympathy for career criminals from the bleeding-heart brigade!”

   “I wouldn't even want to be seen dead with those nerds of the bowl-cut brigade.”

4. (Internet)Coordinated online harassment, disruption or influencing, especially organized by an antagonistic website or community.

   “We've definitely seen an increase in abusive content since certain areas began COVID lockdowns and stay home orders, we suspect because of the growth of people having time to waste doing these sorts of brigades.”

verb

1. To form or unite into a brigade; to group together.

   “This is, however, a classic case where speech is brigaded with action.”

2. (Internet)To harass an individual or community online in a coordinated manner.