laggard vs loafer

laggard and loafer both are nouns.

Word	Noun	Adjective	Verb	Adverb
laggard	Yes	Yes	No	No
loafer	Yes	No	No	No

As nouns, loafer is a hypernym of laggard; that is, loafer is a word with a broader meaning than laggard:

laggard: someone who takes more time than necessary; someone who lags behind
loafer: person who does no work

Other hypernyms of laggard include bum, do-nothing, idler, layabout.

laggard (noun)	loafer (noun)
someone who takes more time than necessary; someone who lags behind	person who does no work

laggard (adjective)	loafer (adjective)
wasting time