hacker vs plodder

hacker and plodder both are nouns.

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

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

Other hyponyms of hacker include slogger.

hacker (noun)	plodder (noun)
one who works hard at boring tasks	someone who moves slowly
a programmer for whom computing is its own reward; may enjoy the challenge of breaking into other computers but does no harm	someone who works slowly and monotonously for long hours
someone who plays golf poorly	someone who walks in a laborious heavy-footed manner