noun
attendant
uh-TEN-dunt/əˈtendənt/
A person employed to help or serve people or supervise a place.
The flight attendant helps the passenger place a bag safely.

Etymology
Stretching one's mind toward someone supplies the image behind giving heed. That developed into taking care of or waiting upon someone, so an attendant is a person who provides such service.
In context
you do the laundry and then you just leave full serve is pretty much like they have washer and dryers they have an attendant they have somebody that can answer questions
More examples
- An attendant checked our tickets.
- Several attendants guided visitors through the hall.
- She asked the nearest attendant for assistance.
Forms
attendant · attendants