Swami

A swami (Sanskrit:स्वामी svāmī [sʋaːmiː]) sometimes abbreviated “sw.” is an ascetic or yogi who has been initiated into the religious monastic order founded by some religious teacher. It is believed to be originally used for the ones who were initiated into to the Advaita Vedanta movement started by Adi Shankara. The usage of this word is not just for a yogi but also used for a religious guru, with or without disciples.