protest pro

One who arbitrarily and quite nomadically travels to areas outside their region of dwelling to "protest", or really, moreover to incite riots and violence. These people are typically paid minions of terrorist organizations like BLM and ANTIFA who don't actually have a vested interest in the cause of other peaceful demonstrators- they are simply there to do harm by any means available.

"Anything good on TV?"
"Nope- just rerun sitcoms and protest pros on the news."