hacker vs coder

hacker and coder both are nouns.

Word	Noun	Adjective	Verb	Adverb
hacker	Yes	No	No	No
coder	Yes	No	No	No

As nouns, coder is a hypernym of hacker; that is, coder is a word with a broader meaning than hacker:

hacker: a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm
coder: a person who designs and writes and tests computer programs

Other hypernyms of hacker include computer programmer, programmer, software engineer.

hacker (noun)	coder (noun)
one who works hard at boring tasks	a person who designs and writes and tests computer programs
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