working person vs employee

working person and employee both are nouns.

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

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

working person (noun)	employee (noun)
an employee who performs manual or industrial labor	a worker who is hired to perform a job