raiser vs farmer

raiser and farmer both are nouns.

Word	Noun	Adjective	Verb	Adverb
raiser	Yes	No	No	No
farmer	Yes	No	No	No

As nouns, farmer is a hypernym of raiser; that is, farmer is a word with a broader meaning than raiser:

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

Other hypernyms of raiser include granger, husbandman, sodbuster.

raiser (noun)	farmer (noun)
someone concerned with the science or art or business of cultivating the soil	a person who operates a farm
a bridge partner who increases the partner's bid