Related Clues:

• Summer hire
• Work here and there
• Short-term hire
• Fill-in employee
• Sidewalk Santa worker, e.g.
• Desk-borrowing worker
• Sub at the office
• Short-term office worker
• Certain sub
• Seasonal employee
• Worker for a few weeks
• Workplace sub
• Day-to-day worker, briefly
• Help for a while
• Crunch-time helper