speaker (n.)
- chair
- chairman
- chatterbox
- cone
- convener
- conversationalist
- debater
- demagogue
- diaphragm
- earphone
- haranguer
- headphone
- headset
- herald
- horn
- lecturer
- loudspeaker
- mouth
- mouthpiece
- orator
- panelist
- rabble-rouser
- ranter
- rapporteur
- reporter
- sayer
- speechifier
- speechmaker
- spokesman
- spokesperson
- spokeswoman
- spouter
- talker
- tub-thumper
- tweeter
- utterer
- voice
- woofer
O, never say hereafter
But I am truest speaker. You call'd me brother
When I was but your sister.
After my death I wish no other herald,
No other speaker of my living actions,
To keep mine honour from corruption,
But such an honest chronicler as Griffith.