The term 'Cloister Chief' is a job title for an ABBOT, which is a person who is the head of a monastery or convent. An ABBOT is responsible for the spiritual and administrative leadership of the monastery or convent, and is usually elected by the members of the religious order. The ABBOT is also responsible for the day-to-day operations of the monastery or convent, including overseeing the finances, providing spiritual guidance, and ensuring that the members of the religious order are living according to the rules of the order.