rabble-rouser
Definitions
A person who speaks with the intention of inflaming the emotions of a crowd of people, typically for political reasons.
An agitator who stirs up the masses to incite disorder or rebellion.
Examples
The politician was dismissed by his opponents as nothing more than a common rabble-rouser.
The local authorities kept a close watch on the rabble-rouser who was known for inciting protests in the town square.
Synonyms
agitator firebrand instigator provocateur troublemaker demagogue inciter
Antonyms
peacemaker mediator pacifier conciliator stabilizer appeaser unifier