Cunctator

Cunctator [KUHNK-tay-ter]
(n.)
-A procrastinator.
-One who postpones work (especially out of laziness or habitual carelessness).

From Latin cūnctātiō, cūnctātiōn-, from cūnctātus, past participle of cūnctārī, to delay.

Used in a sentence:
“I know I said I wanted to find a better word than procrastinator, but I really don't feel that cunctator is an improvement.”