Related Clues:

• Post's cancelled preceding frost
• Not on the rocks, as in job
• Start diamond business
• Not on reserve duty
• Rotten being on the rocks, getting job
• Business having turned sour since sacking Poles
• Cubicle setting
• Duty elsewhere on diamonds
• On holiday, with reserve in place of business
• Position no longer in abeyance, we'd conjecture?
• Rough diamonds in workplace
• Business having abandoned diamonds
• Repeatedly kill for agency
• The job section?
• There's usually one for the principal