In Hinduism, a sādhu (Sanskrit: good man, holy man) is a religious ascetic or holy person, solely dedicated to achieving moksha (liberation), the fourth and final aśrama (stage of life), through meditation and contemplation of Brahman. Sādhus are sannyāsins (renunciates) who have left behind all material attachments and live in caves, forests and Hindu temples all over India and Nepal. Although the vast majority of sādhus are yogīs, not all yogīs are sādhus.
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