programmer vs computer user

programmer and computer user both are nouns.

Word	Noun	Adjective	Verb	Adverb
programmer	Yes	No	No	No
computer user	Yes	No	No	No

As nouns, computer user is a hypernym of programmer; that is, computer user is a word with a broader meaning than programmer:

programmer: a person who designs and writes and tests computer programs
computer user: a person who uses computers for work or entertainment or communication or business

Other hypernyms of programmer include applied scientist, engineer, technologist.

programmer (noun)	computer user (noun)
a person who designs and writes and tests computer programs	a person who uses computers for work or entertainment or communication or business