Related Clues:

• Comes to the aid of
• This puzzle's perimeter entries are all types of them
• Door posts?
• Security staffers
• Protectors
• Safeguards
• Keeps out of harm's way
• Sticks up for
• Palace workers
• Stands watch over
• Protects from attack
• Keeps watch over
• Guards and defends
• They keep watch
• At last one gets fed up when one is not offensive