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,
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,
author,
writer.