workingman vs mover

workingman and mover both are nouns.

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

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

workingman (noun)	mover (noun)
an employee who performs manual or industrial labor	a company that moves the possessions of a family or business from one site to another
	someone who moves
	(parliamentary procedure) someone who makes a formal motion
	workman employed by a moving company