orator

noun

1. Someone who orates or delivers an oration.
2. A skilled and eloquent public speaker.

   “Tam[burlaine]. Then ſhall we fight couragiouſlye with them? Or looke you, I ſhould play the Orator? Tech[elles]. No: cowards and faint-hearted runawaies, Looke for orations when the foe is neere. Our ſwordes shall play the Orators for vs.”

   “[…] when it becomes obvious that I have not the slightest skill as a speaker – unless, of course, by skilful speaker they mean one who speaks the truth. If that is what they mean, I would agree that I am an orator, though not after their pattern.”

3. (obsolete)Someone sent to speak for someone else; an envoy, a messenger.
4. (obsolete)A petitioner, a supplicant.