hindrance vs obstructor

hindrance and obstructor both are nouns.

Word	Noun	Adjective	Verb	Adverb
hindrance	Yes	No	No	No
obstructor	Yes	No	No	No

As nouns, obstructor is a hypernym of hindrance; that is, obstructor is a word with a broader meaning than hindrance:

Other hypernyms of hindrance include impediment, impedimenta, obstructer, obstruction.

hindrance (noun)	obstructor (noun)
the act of hindering or obstructing or impeding	any structure that makes progress difficult
any obstruction that impedes or is burdensome	someone who systematically obstructs some action that others want to take
something immaterial that interferes with or delays action or progress