Related Clues:

• One in a no-blinking contest
• Window shopper, essentially
• Peephole spy
• One watching
• One having a look-see
• Gazing sort
• Watchful person
• Surveying sort
• Rubbernecker, e.g
• MOON __ (anagram of a gazing profession)
• One who eyeballs
• One using binoculars
• Gander-taker
• Person who is looking
• Watchful one, really