Benedict of Nursia was active in the first half of the 6th century.
One may wonder why Benedict warned the cleric against ordination, most probably against assuming presbyterial office. There are several possibilities:
1. Even though the cleric was healed from demonic possession he remained polluted and his ordination would pollute (temerare) the holy orders.
2. If the cleric let himself be possessed, he was prone to sin and he could sin again, and therefore was unfit for the holy orders.
3. It could have been risky to ordain a "possessed", because of the fear that the state of energumens often improved only temporarily.