Related Clues:

• A demonstrated position?
• Body opening?
• Opposer
• Not even a semipro?
• In opposition to
• 'Nay!' sayer
• With the enemy, perhaps
• ''Social'' leader
• Not in favor
• Leaning on
• Proposal opposer
• Opposing voice
• Prefix with freeze
• Freeze front?
• He's up against it