agitator

Concrete trucks routinely queued up on nearby streets before departing right on La Brea Avenue with their agitator drums turning.

A longtime Republican political agitator recruited two other Bob Fergusons to file for governor last week, apparently to draw votes from, well, Bob Ferguson, the state’s attorney general of 12 years.

What do we know about this "outside agitator" narrative?

“Never again can we afford to live with the narrow, provincial ‘outside agitator’ idea.

Official have used outside agitator rhetoric in a handful of examples nationwide.