Possible Clues:

• Player in a kid's game
• Opposite of "hider" in a kids' game
• Catcher of the Golden Snitch, in Quidditch
• One looking for something
• Player in a kids' game
• One tries more mild, but with a different head
• Scavenger hunt participant
• Quidditch player who tries to catch the Snitch
• Diogenes, for one
• One attempting to find