The front office staff typically manages the safe deposit locker due to their responsibility for guest valuables security. The master key is generally kept by the front office cashier or the reception manager, who controls locker access.
- The Head chef, Housekeeping staff, and Bellboy do not usually manage the master key for safe deposit lockers. Their roles involve kitchen operations, cleaning, and guest luggage, respectively.
Therefore, the appropriate answer is Front office cashier.