Related Clues:

• Be careful, ladies — floor just missing in odd places
• Observer; concern
• Cave churned into mud
• Guard cave
• One keeping watch
• A view of the future makes one be careful!
• Observer, sentinel
• View from cave?
• Observation point
• Be on your guard!
• Warning for habitual introvert?
• Guard on duty
• Take care, as Good King Wenceslas did
• Watchman needs to watch his back
• The concern of a guard