boxer vs working person

boxer and working person both are nouns.

Word	Noun	Adjective	Verb	Adverb
boxer	Yes	No	No	No
working person	Yes	No	No	No

As nouns, working person is a hypernym of boxer; that is, working person is a word with a broader meaning than boxer:

Other hypernyms of boxer include working man, workingman, workman.

boxer (noun)	working person (noun)
a breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in Germany	an employee who performs manual or industrial labor
someone who fights with his fists for sport
a workman employed to pack things into containers