sterile member of a colony of social insects that forages for food and cares for the larvae | testimony by word or deed to your religious faith |
a person who works at a specific occupation | someone who sees an event and reports what happened |
a member of the working class (not necessarily employed) | a close observer; someone who looks at something (such as an exhibition of some kind) |
a person who acts and gets things done | (law) a person who attests to the genuineness of a document or signature by adding their own signature |
| (law) a person who testifies under oath in a court of law |