Talker

Noun

 * 1) A person who talks, especially one who gives a speech, or is loquacious or garrulous.
 * What this country needs is a smooth talker.
 * 1)  A talk show; a talk-show host; an all-talk radio station.
 * 2)  A popular topic of conversation.
 * The royal engagement is likely to be a top talker right through the wedding.
 * 1)  A talking point.
 * 2)  A stripped-down version of a MUD which is designed for talking, that predates instant messengers.

Thesaurus
blatherskite, blowhard, blusterer, chatterbox, collocutor, colloquialist, conversational partner, conversationalist, converser, debater, declaimer, demagogue, dialogist, discourser, gasbag, haranguer, interlocutor, interlocutress, interlocutrice, interlocutrix, jawsmith, keynoter, lecturer, orator, palaverer, panelist, parleyer, patterer, public speaker, rabble-rouser, ranter, sayer, show-off, speaker, speecher, speechifier, speechmaker, spellbinder, spieler, spokesman, spokeswoman, spouter, swaggerer, tub-thumper, utterer, windbag