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,
thought-reader,
twaddler,
waffler,
warner,
waver,
wirer,
author,
writer.