Related Clues:

• Arch rival
• Other side
• Opposing force
• Word in a Graham Greene title
• Opposing side
• Agent type
• Group to attack
• Juice dispenser
• Friend's opposite
• Shooting target?
• Power source
• Ibsen's "An ___ of the People"
• 9-volt, e.g.
• One on a Nixon list
• Hostile one