The term swami is more specific and usually refers to an ascetic who has been initiated into a specific religious order. In recent years, it has come to be applied particularly to monks of the Ramakrishna Mission. An ascetic who practices yoga in order to achieve his spiritual goals is a yogin or yogi.A Saivite (follower of Shiva) sadhu is generally referred to as a sannyasi or dasnami sannyasin, while a Vaisnavite (follower of Vishnu) ascetic is often called a vairagin.
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