sterile member of a colony of social insects that forages for food and cares for the larvae | the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose |
a person who works at a specific occupation | a person or thing that is a resource that helps make something easier or possible to do |
a member of the working class (not necessarily employed) | a means of serving |
a person who acts and gets things done | a person who contributes to the fulfillment of a need or furtherance of an effort or purpose |