work done by one person or group that benefits another

an act of help or assistance; something (such as a tool, software or system) used to render said help or assistance

the act of public worship following prescribed rules

a company or agency that performs a public service; subject to government regulation

employment in or work for another

a force that is a branch of the armed forces

a means of serving

tableware consisting of a complete set of articles (silver or dishware) for use at table

the act of mating by male animals

(law) the acts performed by an English feudal tenant for the benefit of their lord which formed the consideration for the property granted to them

(sports) a stroke that puts the ball in play

the act of delivering a writ or summons upon someone

periodic maintenance on a car or machine

the performance of duties by a waiter or servant