Related Clues:

• One watching
• One having a look-see
• Gazing sort
• Watchful person
• Surveying sort
• Lack of territory limited 'Observer'
• One who eyeballs
• Spectator's greeting heard
• One using binoculars
• Gander-taker
• Person who is looking
• Watchful one, really
• Observer regularly censored very weird letters
• One who observes criminal a wretch
• One who's looking