Related Clues:

• 'Do I have a volunteer?'
• 'Volunteers?'
• Whoever
• Word with "Tennis"
• No specific person
• Challenging request
• Whomever
• Joe Blow
• Nobody special
• Tennis follower
• Person to play tennis with?
• Tom, Dick or Harry?
• Whatever person
• 'Is -- out there?'
• “May I have a volunteer?”