Related Clues:

• Pessimistic type
• Sour sort
• Harry Potter's position in quidditch
• Glass-half-empty type
• Distrustful sort
• Hider's finder
• Player in a kids' game
• Doubter
• Suspicious sourpuss
• Negative sort
• Pavement pounder, e.g.
• Petitioner
• Skeptical sort
• Skeptical person
• Explorer