What is the verb for consumer?

customer

buyer

client

user

devourer

exhauster

diner

destroyer

feeder

annihilator

cannibal

demolisher

depleter

carnivore

herbivore

omnivore

piscivore

glutton

gormand

biophage

phage

assimilator (guess the Borg were the ultimate consumers?)

drinker

ravager

flame

wrecker