a manservant who acts as a personal attendant to his employer
"Jeeves was Bertie Wooster's man"
A man's personal male attendant, responsible for his clothes and appearance.
"After hours of preparing for the gala, he stepped out into the cool night air to greet his valet who was holding his coat."
serve as a personal attendant to
"The wealthy businessman hired a valet to manage his luggage and dress him for every evening event."
To serve (someone) as a valet.
"After his big win, the celebrity was so exhausted that he asked his assistant to act as his valet for the rest of the evening."