Synonyms for Lingerer:

n.

laggard, poke, lagger, Tarrier, lag, procrastinator, straggler, fast, dilly-dallier. idler (noun)
goof-off, lounge lizard, mendicant, loiterer, slacker, panhandler, ne'er-do-well, idler, mooch, slowpoke, sloucher, loafer, wastrel, dawdler, freeloader, drone, couch potato, mope, clock watcher, good-for-nothing, goldbrick, lazybones, vagrant, moocher, bum, layabout, sponger, dilly-dallyer, beggar, slouch, scrounger.
laggard (noun)
lagger, lag, straggler, slowpoke, dawdler, loiterer, poke, Tarrier, dilly-dallier, procrastinator, loafer, idler, laggard.
person (noun)
loiterer.

Other synonyms:

procrastinator, Tarrier, straggler, lagger, dilly-dallier. laggard. Other relevant words:
laggard, poke, lagger, Tarrier, lag, procrastinator, straggler, fast, dilly-dallier.