the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose

an act intended to help that turns out badly

a service involving care for other people's children

an unpaid service for the benefit of the public that is performed by lawbreakers as part (or all) of their sentence

a service that is performed for the benefit of the public or its institutions

a service that provides information and assistance to the users of a computer network

the service of ushering people to their seats