Possible Clues:

• Directed a worker to go out in shower? No
• Missing person dispatched in the middle of a competition
• Non-worker directed in a quiz
• Lord Clonbrony, for example
• Awfully tense in Lincoln? One wasn't there
• One is not present when required
• Sailor banished to quarters for being an absconder
• Dispatched to give a worker a break - are you fonder of him?
• ''List'' for those who aren't here
• Missing one