mover vs nominator

mover and nominator both are nouns.

Word	Noun	Adjective	Verb	Adverb
mover	Yes	No	No	No
nominator	Yes	No	No	No

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

mover (noun)	nominator (noun)
a company that moves the possessions of a family or business from one site to another	someone who proposes a candidate for appointment or election
someone who moves
(parliamentary procedure) someone who makes a formal motion
workman employed by a moving company