mover vs hitter

mover and hitter both are nouns.

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

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

mover (noun)	hitter (noun)
a company that moves the possessions of a family or business from one site to another	(baseball) a ballplayer who is batting
someone who moves	someone who hits
(parliamentary procedure) someone who makes a formal motion
workman employed by a moving company