Related Clues:

• Short-term office worker
• Hospital worker with a residency
• Certain sub
• Seasonal employee
• Trainee of a sort
• Worker for a few weeks
• Workplace sub
• Worker for free, often
• Day-to-day worker, briefly
• Help for a while
• Crunch-time helper
• Sidewalk Santa, e.g.
• Fill-in at the office
• ER stat
• Agency employee