Related Clues:

• ''Friend or __?''
• Hardly a follower
• 'Friend or ___?'
• Red, e.g., once
• ''___! Who goes there?''
• "Them"
• Friend alternative
• Pull up
• Stop progressing
• Troop command
• Hostile opponent
• Armed adversary
• One of them?
• The Riddler, to Batman
• "Stop right there!"