Related Clues:

• Proposal foe
• Adamantly against
• One providing 37-Across
• ABM part
• ABM component?
• One doing time
• Opposing position
• Pull a scam on
• Pro's counterpart
• Freeze preceder?
• Saying 'nay'
• Social opener?
• Prefix with "trust" and "rust"
• Prefix with septic
• Grifter