Other hyponyms of verbalizer include
alliterator,
caller,
phoner,
telephoner,
babbler,
chatterbox,
chatterer,
magpie,
prater,
spouter,
conversationalist,
conversationist,
schmoozer,
dictator,
drawler,
driveller,
jabberer,
ejaculator,
growler,
asker,
enquirer,
inquirer,
querier,
questioner,
lecturer,
lisper,
mentioner,
motormouth,
mumbler,
murmurer,
mutterer,
narrator,
storyteller,
teller,
orator,
public speaker,
rhetorician,
speechifier,
speechmaker,
prattler,
ranter,
raver,
reciter,
native speaker,
stammerer,
stutterer,
stentor,
talking head,
venter,
vociferator,
voicer,
wailer,
whisperer,
informant,
witness,
witnesser.