I believe you call them Koreans
A waitress can call a bad tipper a stiff.
She is a waitress.
할아버지 (Hara buhjee)
Waitresses?
American soldiers referred to North Koreans as "gooks" during the Korean War, which is a derogatory term.
waitress
Big mack daddy pimpster
A waiter if they are male or a waitress if they are female
Bartender, waiter, waitress.
server aka waiter/waitress
Waiter(male), waitress(female)