consumer (n.)

• boarder
• browser
• buyer
• cannibal
• carnivore
• diner
• eater
• employer
• emptor
• enjoyer
• epicure
• feeder
• gastronome
• glutton
• gourmand
• gourmet
• herbivore
• luncher
• man-eater
• marketer
• mouth
• omnivore
• picnicker
• purchaser
• shopper
• trencherman
• user
• vegetarian
• vendee