The term 'steward of a monastery' refers to a MANCIPLE, which is an individual responsible for the purchasing and managing of supplies and provisions for a monastery. The MANCIPLE is also responsible for overseeing the daily operations of the monastery, such as ensuring that the monks have enough food and other necessities. The MANCIPLE is also responsible for keeping records of the monastery's finances and making sure that all of the monks are following the rules and regulations of the monastery.