idler, loafer, do-nothing, layabout, bum

person who does no work; "a lazy bum"

• clock watcher — a worker preoccupied with the arrival of quitting time
• couch potato — an idler who spends much time on a couch (usually watching television)
• dallier, dillydallier, mope, lounger — someone who wastes time
• dawdler, drone, laggard, lagger, trailer — someone who takes more time than necessary; someone who lags behind
• daydreamer, woolgatherer — someone who indulges in idle or absent-minded daydreaming
• goldbrick, goof-off, ne'er-do-well, good-for-nothing, good-for-naught — an idle worthless person
• lazybones — (informal) a lazy person
• lie-abed, slugabed — a person who stays in bed until a relatively late hour
• loon — a worthless lazy fellow
• slacker, shirker — a person who shirks their work or duty (especially one who tries to evade military service in wartime)
• sluggard, slug — an idle slothful person
• spiv — (British) a person without employment who makes money by various dubious schemes; goes about smartly dressed and having a good time
• sunbather — someone who basks in the sunshine in order to get a suntan
• trifler — one who behaves lightly or not seriously
• whittler — someone who whittles (usually as an idle pastime)

• nonworker — a person who does nothing