Other hyponyms of communicator include
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,
responder,
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.