Related Clues:

• The one you're up against
• One's competitor
• 'Adversary, antagonist (8)'
• By the sound of it, not before you this one
• That was the end of Defoe
• 1 that not 4U
• One's on the other side
• 'Not 4U? (3,5)'
• An adversary around the priest, with one part of the Bible
• Counter person
• See 4
• A con man?
• Time you recalled workers - end of holiday
• Other side of old pages united with Christian writings
• Enemy of love kept in prison briefly upon going inside