Sunday painter
amateur
clock watcher
coquet
dabbler
dallier
dawdle
dawdler
diddler
dilettante
dillydallier
do-nothing
dolittle
doodler
faineant
flirt
fribble
gentleman of leisure
goldbrick
goldbricker
goof-off
idler
laggard
lingerer
loafer
loiterer
loller
lotus-eater
lounger
lubber
mope
moper
piddler
potterer
slouch
sloucher
slug
sluggard
smatterer
stick-in-the-mud
time killer
time waster
trifler
waiter on Providence
drone
lagger
poke
trailer