1) one who sweeps and cleans a temple
2) one who has charge of a temple, to keep and adorn it, a sacristan
3) the worshipper of a deity
3a) word appears from coins still extant, it was an honourary title [temple-keeper or temple-warden] of certain cities, esp. in Asia Minor, or in which some special worship of somedeity or even some deified human ruler had been established; used of Ephesus