Possible Clues:

• A drudge
• Flunkey perhaps lurks behind group of people
• What's the matter with setter? Just a menial!
• Harry's organisation finds servant
• Servant organised group of setters
• Menial worker torments organisation
• Person who does the dirty and/or boring work
• Skivvy from eg boxers’ organisation
• Factotum one sort of boxer would have
• Menial worker follows lad smuggling diamonds