moralist vs utilitarian

moralist and utilitarian both are nouns.

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

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

moralist: a philosopher who specializes in morals and moral problems
utilitarian: someone who believes that the value of a thing depends on its utility

Other hyponyms of moralist include egalitarian, equalitarian, elitist.

moralist (noun)	utilitarian (noun)
a philosopher who specializes in morals and moral problems	someone who believes that the value of a thing depends on its utility
someone who demands exact conformity to rules and forms

moralist (adjective)	utilitarian (adjective)
	having a useful function
	having utility often to the exclusion of values