cultivator vs raiser

cultivator and raiser both are nouns.

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

As nouns, cultivator and raiser are synonyms defined as:

cultivator and raiser: someone concerned with the science or art or business of cultivating the soil

Other synonyms of cultivator include agriculturalist, agriculturist, grower.

cultivator (noun)	raiser (noun)
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)	someone concerned with the science or art or business of cultivating the soil
someone concerned with the science or art or business of cultivating the soil	a bridge partner who increases the partner's bid