Possible Clues:

• Direct-hire alternative
• Fill-in at an office
• Work as a mall elf, e.g
• 100 is a high one, informally
• Briefly woo typist who won’t be there long?
• Participate in the gig economy, say
• Work for a short period
• 70 degrees F, e.g
• Office stand-in
• Number in a 10-day forecast, for short