valet

nouns

a manservant who acts as a personal attendant to his employer
"Jeeves was Bertie Wooster's man"
gentleman, gentleman's gentleman, man, valet, valet de chambre

verbs

serve as a personal attendant to
valet
is a type of (narrower)
work for or be a servant to
"May I serve you?"; "She attends the old lady in the wheelchair"; "Can you wait on our table, please?"; "Is a salesperson assisting you?"; "The minister served the King for many years"
assist, attend, attend to, serve, wait on