golf player vs hacker

golf player and hacker both are nouns.

Word	Noun	Adjective	Verb	Adverb
golf player	Yes	No	No	No
hacker	Yes	No	No	No

As nouns, hacker is a hyponym of golf player; that is, hacker is a word with a more specific, narrower meaning than golf player:

Other hyponyms of golf player include driver, golf pro, professional golfer, hooker, medal winner, medalist, medallist, putter, slicer.

golf player (noun)	hacker (noun)
someone who plays the game of golf	one who works hard at boring tasks
	a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm
	someone who plays golf poorly