Related Clues:

• Window shopper, essentially
• Peephole spy
• One watching
• One having a look-see
• Watchful person
• Surveying sort
• One who eyeballs
• One using binoculars
• Gander-taker
• Person who is looking
• Watchful one, really
• Observer regularly censored very weird letters
• One who's looking
• Watchful sort