dictator

nouns

a speaker who dictates to a secretary or a recording machine
is derived from
is a type of (narrower)
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
"the speaker at commencement"; "an utterer of useful maxims"
a ruler who is unconstrained by law
is derived from
is derived from
is derived from
is derived from
a person who behaves in a tyrannical manner
"my boss is a dictator who makes everyone work overtime"
is derived from