drover vs sheepman

drover and sheepman both are nouns.

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

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

drover: someone who drives a herd
sheepman: a herder of sheep (on an open range); someone who keeps the sheep together in a flock

Other hyponyms of drover include goat herder, goatherd, sheepherder, shepherd, pigman, swineherd.

drover (noun)	sheepman (noun)
someone who drives a herd	a man who raises (or tends) sheep
	a herder of sheep (on an open range); someone who keeps the sheep together in a flock