cultivator vs husbandman

cultivator and husbandman both are nouns.

Word	Noun	Adjective	Verb	Adverb
cultivator	Yes	No	No	No
husbandman	Yes	No	No	No

As nouns, husbandman is a hypernym of cultivator; that is, husbandman is a word with a broader meaning than cultivator:

cultivator: someone concerned with the science or art or business of cultivating the soil
husbandman: a person who operates a farm

Other hypernyms of cultivator include farmer, granger, sodbuster.

cultivator (noun)	husbandman (noun)
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)	a person who operates a farm
someone concerned with the science or art or business of cultivating the soil