Related Clues:

• Unpaid gofer
• One with a mentor
• Sprinter or skier
• Summer helper
• Medical resident
• Permit holder, often
• Wing or back
• Olympian, maybe
• Summer hire
• Phelps, for one
• Hospital worker with a residency
• Trainee of a sort
• Wheaties box candidate
• Worker for free, often
• Olympics participant