dictator vs moralist

dictator and moralist both are nouns.

Word	Noun	Adjective	Verb	Adverb
dictator	Yes	No	No	No
moralist	Yes	No	No	No

As nouns, moralist is a hyponym of dictator; that is, moralist is a word with a more specific, narrower meaning than dictator:

Other hyponyms of dictator include Big Brother, disciplinarian, martinet.

dictator (noun)	moralist (noun)
a ruler who is unconstrained by law	a philosopher who specializes in morals and moral problems
a person who behaves in a tyrannical manner	someone who demands exact conformity to rules and forms
a speaker who dictates to a secretary or a recording machine