consumer

noun4

1. •
   One who, or that which, consumes.
2. •
   Someone who trades money for goods or services as an individual.

   • This new system favours the consumer over the producer.
3. •
   The consumer base of a product, service or business.

   • Our consumers are upwardly mobile and middle-class.
4. •
   An organism (heterotroph) that uses other organisms for food in order to gain energy.