sacr-, sacro-

1. An individual whose responsibility is that of a caretaker of church property including religious items: Frank was the newly appointed sexton at the church and was conscientious in his duties to take care of the holy items.
2. Etymology: from sekesteyn, "a person in charge of the sacred objects of a church"; from Old French segrestien; from Middle Latin sacristanus; which came from Latin sacrista, from sacer, sacri, "sacred".