deliveryman vs employee

deliveryman and employee both are nouns.

Word	Noun	Adjective	Verb	Adverb
deliveryman	Yes	No	No	No
employee	Yes	No	No	No

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

deliveryman (noun)	employee (noun)
someone employed to make deliveries	a worker who is hired to perform a job