puller vs wrester

puller and wrester both are nouns.

Word	Noun	Adjective	Verb	Adverb
puller	Yes	No	No	No
wrester	Yes	No	No	No

As nouns, wrester is a hyponym of puller; that is, wrester is a word with a more specific, narrower meaning than puller:

puller: someone who applies force so as to cause motion toward herself or himself
wrester: someone who obtains something by pulling it violently with twisting movements

Other hyponyms of puller include jerker, yanker.

puller (noun)	wrester (noun)
someone who pulls or tugs or drags in an effort to move something	someone who obtains something by pulling it violently with twisting movements
someone who applies force so as to cause motion toward herself or himself