Noun
a political leader who seeks support by appealing to popular passions and prejudices
Source: WordNetrabble-rouser
Its discovery has been credited to "a preacher and rabble-rouser named Joseph Priestley," but equal kudos arguably should go to the French aristocrat chemist Antoine-Laurent Lavoisier. Source: Internet
Baldwin, ever the rabble-rouser, chimes in: “I was the captive nigger. Source: Internet
Lydia isn't much of a rabble-rouser, to be honest. Source: Internet