fruit grower vs raiser

fruit grower and raiser both are nouns.

Word	Noun	Adjective	Verb	Adverb
fruit grower	Yes	No	No	No
raiser	Yes	No	No	No

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

fruit grower: someone who grows fruit commercially
raiser: someone concerned with the science or art or business of cultivating the soil

Other hypernyms of fruit grower include agriculturalist, agriculturist, cultivator, grower.

fruit grower (noun)	raiser (noun)
someone who grows fruit commercially	someone concerned with the science or art or business of cultivating the soil
	a bridge partner who increases the partner's bid