Definitions:
perform duties or services for (another person or an organization)

present (food or drink) to someone

deliver (a document such as a summons or writ) in a formal manner to the person to whom it is addressed

be of use in achieving or satisfying

(in tennis and other racket sports) hit the ball or shuttlecock to begin play for each point of a game

bind (a rope) with thin cord to protect or strengthen it.

operate (a gun)

(in tennis and other racket sports) an act of hitting the ball or shuttlecock to start play

a reprimand