THESAURUS
public speaker
Cicero, Demosthenes, William Jennings Bryan, Winston Churchill, debater, declaimer, demagogue, haranguer, jawsmith, orator, panelist, platform orator, rabble-rouser, ranter, rhetor, rhetorician, soapbox orator, soapboxer, speaker, speecher, speechifier, speechmaker, spellbinder, spieler, spokesman, spokeswoman, spouter, stump orator, talker, tub-thumper