determinist vs necessitarian

determinist and necessitarian both are nouns.

Word	Noun	Adjective	Verb	Adverb
determinist	Yes	No	No	No
necessitarian	Yes	No	No	No

As nouns, necessitarian is a hypernym of determinist; that is, necessitarian is a word with a broader meaning than determinist:

determinist: anyone who submits to the belief that they are powerless to change their destiny
necessitarian: someone who does not believe the doctrine of free will

determinist (noun)	necessitarian (noun)
anyone who submits to the belief that they are powerless to change their destiny	someone who does not believe the doctrine of free will