Related Clues:

• One doing the looking
• One enjoying the sights
• Peeping Tom, e.g
• Good-looking person?
• One who checks you out
• One who's "just looking"
• One keeping minutes
• Maker of a visual assessment
• Lecherous one, at times
• I observe church getting flooded?
• Onlooker caught in middle of the war, unfortunately
• Heard greeting Big Brother?
• One paying close attention
• Alert observer
• One who keeps the record of rector at public school back