obstructionist vs resister

obstructionist and resister both are nouns.

Word	Noun	Adjective	Verb	Adverb
obstructionist	Yes	No	No	No
resister	Yes	No	No	No

As nouns, obstructionist and resister are synonyms defined as:

obstructionist and resister: someone who systematically obstructs some action that others want to take

Other synonyms of obstructionist include obstructer, obstructor, thwarter.

obstructionist (noun)	resister (noun)
someone who systematically obstructs some action that others want to take	someone who systematically obstructs some action that others want to take
	someone who offers opposition