[ noun ] someone who postpones work (especially out of laziness or habitual carelessness) <noun.person>
Procrastinator \Pro*cras"ti*na`tor\, n. One who procrastinates, or defers the performance of anything.
To the procrastinator, what doesn't get done wasn't important in the first place, says Mr. Waas, who plans to write a book of his own one of these days.