communicator vs responder

Other hyponyms of communicator include alarmist, allegoriser, allegorizer, announcer, articulator, affirmer, asserter, asseverator, avower, declarer, avower, broadcaster, conferee, conferrer, confessor, correspondent, letter writer, gossip, gossiper, gossipmonger, newsmonger, rumormonger, rumourmonger, hisser, informant, source, extoller, laudator, lauder, negotiant, negotiator, treater, inducer, persuader, populariser, popularizer, vulgariser, vulgarizer, presenter, promisee, promiser, promisor, propagandist, disseminator, propagator, publiciser, publicist, publicizer, quoter, rambler, newsperson, reporter, answerer, respondent, bawler, bellower, roarer, screamer, screecher, shouter, yeller, sender, transmitter, signaler, signaller, signer, swearer, comforter, sympathiser, sympathizer, mental telepathist, mind reader, telepathist, thought-reader, twaddler, waffler, warner, waver, wirer, author, writer.