fieldsman vs cricketer

fieldsman and cricketer both are nouns.

Word	Noun	Adjective	Verb	Adverb
fieldsman	Yes	No	No	No
cricketer	Yes	No	No	No

As nouns, cricketer is a hypernym of fieldsman; that is, cricketer is a word with a broader meaning than fieldsman:

fieldsman: a member of the cricket team that is fielding rather than batting
cricketer: an athlete who plays cricket

fieldsman (noun)	cricketer (noun)
a member of the cricket team that is fielding rather than batting	an athlete who plays cricket