refine vs refiner

refine is not a noun while refiner is a noun.

Word	Noun	Adjective	Verb	Adverb
refine	No	No	Yes	No
refiner	Yes	No	No	No

refine (noun)	refiner (noun)
	one whose work is to refine a specific thing

refine (verb)	refiner (verb)
reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
improve or perfect by pruning or polishing
treat or prepare so as to put in a usable condition
attenuate or reduce in vigor, strength, or intensity by polishing or purifying
make more precise or increase the discriminatory powers of
make more complex, intricate, or richer