rider vs hang glider

rider and hang glider both are nouns.

Word	Noun	Adjective	Verb	Adverb
rider	Yes	No	No	No
hang glider	Yes	No	No	No

As nouns, hang glider is a hyponym of rider; that is, hang glider is a word with a more specific, narrower meaning than rider:

Other hyponyms of rider include pedaler, pedaller.

rider (noun)	hang glider (noun)
a clause that is appended to a legislative bill	a glider resembling a large kite; the rider hangs from it while descending from a height
a traveler who actively rides an animal (as a horse or camel)	a rider of a hang glider
a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it
a traveler who actively rides a vehicle (as a bicycle or motorcycle)