parachute jumper vs jumper

parachute jumper and jumper both are nouns.

Word	Noun	Adjective	Verb	Adverb
parachute jumper	Yes	No	No	No
jumper	Yes	No	No	No

As nouns, jumper is a hypernym of parachute jumper; that is, jumper is a word with a broader meaning than parachute jumper:

parachute jumper (noun)	jumper (noun)
a person who jumps from aircraft using a parachute	(basketball) a player releases the basketball at the high point of a jump
	a sleeveless dress resembling an apron; worn over other clothing
	a loose jacket or blouse worn by workmen
	a small connector used to make temporary electrical connections
	a coverall worn by children
	a crocheted or knitted garment covering the upper part of the body
	an athlete who competes at jumping
	a person who jumps