potboy

/ˈpɑtˌbɔɪ/
noun
  1. A person, especially a young man, who works in a pub or hotel washing dishes, cleaning glasses, and doing other basic tasks.
    • The potboy spent the evening washing pint glasses behind the bar.
    • The hotel hired a new potboy to help with the dishes after dinner service.
    • As a potboy, he learned how to keep the kitchen clean and organized.