types:
alliterator
a speaker or writer who makes use of alliteration
dictator
a speaker who dictates to a secretary or a recording machine
drawler
someone who speaks with a drawl
ejaculator
a speaker who utters a sudden exclamation
growler
a speaker whose voice sounds like a growl
lecturer
someone who lectures professionally
mentioner
a speaker who refers to something briefly or incidentally
prattler
someone who speaks in a childish way
ranter,
raver
someone who rants and raves; speaks in a violent or loud manner
reciter
someone who recites from memory
native speaker
a speaker of a particular language who has spoken that language since earliest childhood
stentor
a speaker with an unusually loud voice
talking head
a talker on television who talks directly into the cameras and whose upper body is all that is shown on the screen
venter
a speaker who expresses or gives vent to a personal opinion or grievance
vociferator
a loud and vehement speaker (usually in protest)
voicer
a speaker who voices an opinion
wailer
a mourner who utters long loud high-pitched cries
attestant,
attester
someone who affirms or vouches for the correctness or truth or genuineness of something
elocutionist
a public speaker trained in voice production and gesture and delivery
fabulist
a person who tells or invents fables
griot
a storyteller in West Africa; perpetuates the oral traditions of a family or village
haranguer
a public speaker who delivers a loud or forceful or angry speech
spellbinder
an orator who can hold his listeners spellbound
tub-thumper
a noisy and vigorous or ranting public speaker