A Sadhu, Saddhu, SWAMI, FAKIR, and Sadh are all Hindu holy men. A Sadhu is a wandering ascetic who has renounced material comforts and lives a life of spiritual contemplation and meditation. A Saddhu is a more advanced form of Sadhu, having achieved a higher level of spiritual enlightenment. A SWAMI is a Hindu monk who has taken vows of celibacy and poverty and is devoted to spiritual practice. A FAKIR is a Muslim holy man who practices extreme forms of austerity and devotion. A Sadh is a Hindu holy man who has dedicated his life to the pursuit of spiritual knowledge.