Possible Clues:

• It's a father's turn to promise his boy a living in the church
• A university type keeping promises is right
• It's the turn of father to swear at his boy for a living
• It's up to Father to promise his boy it's right (8)
• Perhaps personal promises about patron's right?
• Promises involved in an academic's right of presentation
• A patron's right as a fellow to receive solemn promises
• Ecclesiastical right an academic pledges to get accepted
• How Father comes back with the promise of a presentation to his boy