Possible Clues:

• Self-appointed lawman
• One watching Roman poet leaving right before
• Classical poet forfeits right before PC unofficially
• One who shortens the legal process?
• Self appointed policeman leaving it to be resolved
• Policeman unofficially leaving it out of order
• Self-appointed upholder of the law leaving it in ruins
• One keeps a watch before he keeps the order
• Wrongly give Latin translation therein as 'watchman'
• A watch before one who may be armed, but not in the army