An underling; a liveried servant or a footman; servant, retainer – a person working in the service of another (especially in the household).
One easily deceived in buying stocks; an inexperienced and unwary jobber.
One who is obsequious or cringing; a snob.
The member of staff at a restaurant who keeps the wine cellar and advises the guests on a choice of wines; a wine steward / stewardess, a wine waiter / waitress / server.
To act as a sommelier.