Polite term for a guest or visitor, typically in a home or private setting. Honorific language shows respect toward the person.
A guest is coming today, so let's tidy up the room.
We have a guest coming to our house today.
The clerk welcomed the customer with a smile.
I was so busy I didn't have time to attend to the customers.
Customers were already lining up before the store opened.
Are you looking for something, sir/ma'am?