Related Clues:

• The alternative to a hill, in a manner of speaking
• Gives a speech or a rise
• Endless talker
• Pericles, famously
• Nope, for the operator, one that speaks out
• Garrulous sort
• Elocution pro
• Commencement ceremony figure
• Speaker on a soapbox
• Podium personage
• Turncoat in spectacles right behind Cicero, perhaps
• He gives people his address
• He speaks of sports centre on a hill
• Yet his talk is far from uplifting!
• Yapper's joke about sailors capsizing