(n.) One who wastes time in trifling employments; an idler; a trifler.

clock watcher dallier dawdle diddler dillydallier do-nothing dolittle doodler drone faineant foot-dragger gentleman of leisure goldbrick goldbricker goof-off idler laggard lie-abed lingerer loafer loiterer loller lotus-eater lounger lubber mope moper plodder potterer procrastinator putterer sleepyhead slouch sloucher slow goer slow-foot slowbelly slowpoke slug sluggard snail stick-in-the-mud time killer time waster tortoise trifler waiter on Providence