Final answer:
The question relates to one of the twelve individuals approaching the chief priest to plan something in a historical or religious context.
Step-by-step explanation:
The question is asking about one of the twelve individuals who approached the chief priest to plan something.
Without further context, it is difficult to determine the specific event or group being referred to.
However, based on the provided information, it seems like the question relates to a historical or religious context, possibly involving initiation rituals or a secret society.