Answer: piler

AnswerCrossword Clue
PILERStacker
PILEROne making a stack
PILERHeaper.
PILERHe makes heaps
PILERWarehouse employee
PILERBricklayer, e.g.
PILEROne doing laundry, often
PILERStacker, as of coins
pilerone that piles (to lay one upon the other)