stockman vs sheepman

stockman and sheepman both are nouns.

Word	Noun	Adjective	Verb	Adverb
stockman	Yes	No	No	No
sheepman	Yes	No	No	No

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

Other hyponyms of stockman include breeder, stock breeder, beef man, cattleman, cow man.

stockman (noun)	sheepman (noun)
farmer who breed or raises livestock	a man who raises (or tends) sheep
	a herder of sheep (on an open range); someone who keeps the sheep together in a flock