Yeoman

noun

1. An official providing honorable service in a royal or high noble household, ranking between a squire and a page. Especially, a Yeoman of the Guard, a member of a ceremonial bodyguard to the UK monarch (not to be confused with a Yeoman Warder).
2. A dependable, diligent, or loyal worker or someone who does a great service.
3. A former class of small freeholders who farm their own land; a commoner of good standing.
4. A subordinate, deputy, aide, or assistant.
5. A Yeoman Warder.