Hi, I work as a waiter in a restaurant. Have you ever worked as a waiter?
No but I do appreciate their role in a restaurant which is to always be attentive and accommodating to the customers.
I see, what sort of tasks do waiters do?
They attend to customers in a  restaurant or a bar and supplying them with food and drink as requested.
Do you know how many waiters there are in the U.S.?
helping bus tables, and restocking working stations with needed supplies.
Waiting on tables is (along with nursing and teaching) part of the service sector, and among the most common occupations in the United States. The Bureau of Labor Statistics estimates that, as of May 2008, there were over 2.2 million persons employed as servers in the U.S.
Many restaurants choose a specific uniform for their wait staff to wear. Waitstaff may receive tips as a minor or major part of their earnings, with customs varying widely from country
Waiting staff
Waiting staff are those who work at a restaurant or a bar, and sometimes in private homes, attending customers—supplying them with food and drink as requested. A server or waiting staff takes on a very important role in a restaurant which is to always be attentive and accommodating to the customers. Each waiter follows rules and guidelines that are developed by the manager. Wait staff can abide by these rules by completing many different tasks throughout their shifts, such as food-running, polishing dishes and silverware,