It comes from the Persian word 1583; 1585; 1608; 17( 1588; ( " darvich " who beggar door-to-door ) and in principle is an ascetic who despise material goods and professes a philosophy of Persian origin, later incorporated into Islam. As detail, the money received in alms give it to others in need and are never it is, begging for them is an exercise in humility to get rid of the ego. " is now called Dervish " mainly to a member of the Sufi taricas, which deepens the inside knowledge and the extinction of the ego as a limitation to spiritual Ascension.