Related Clues:

• Employee unlikely to be invited to the holiday party
• Short-term helper
• Day worker, for short
• Summer helper
• Medical resident
• Short-term worker, for short
• Crunch time fill-in
• Weather-report word
• Short-term employee
• Work here and there
• Short-term hire
• Fill-in employee
• Sidewalk Santa worker, e.g.
• Desk-borrowing worker
• Sub at the office