pole jumper vs athlete

pole jumper and athlete both are nouns.

Word	Noun	Adjective	Verb	Adverb
pole jumper	Yes	No	No	No
athlete	Yes	No	No	No

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

pole jumper: an athlete who jumps over a high crossbar with the aid of a long pole
athlete: a person trained to compete in sports

Other hypernyms of pole jumper include jock.

pole jumper (noun)	athlete (noun)
an athlete who jumps over a high crossbar with the aid of a long pole	a person trained to compete in sports