a member of a police force | an original creation (i.e., an audio recording) from which copies can be made |
someone who is appointed or elected to an office and who holds a position of trust | key that secures entrance everywhere |
any person in the armed services who holds a position of authority or command | an artist of consummate skill |
a person authorized to serve in a position of authority on a vessel | a combatant who is able to defeat rivals |
| an authority qualified to teach apprentices |
| directs the work of others |
| a person who has general authority over others |
| someone who holds a master's degree from academic institution |
| presiding officer of a school |
| an officer who is licensed to command a merchant ship |