pass catcher vs footballer

pass catcher and footballer both are nouns.

Word	Noun	Adjective	Verb	Adverb
pass catcher	Yes	No	No	No
footballer	Yes	No	No	No

As nouns, footballer is a hypernym of pass catcher; that is, footballer is a word with a broader meaning than pass catcher:

pass catcher: a football player who catches (or is supposed to catch) a forward pass
footballer: an athlete who plays American football

Other hypernyms of pass catcher include football player.

pass catcher (noun)	footballer (noun)
a football player who catches (or is supposed to catch) a forward pass	an athlete who plays American football