Naga is a mystical beast (serpent-like) living underworld and can transform into human. A legend states that at the time of Lord Buddha, a male Naga emerged from underworld and transformed into human and asked Lord Buddha to ordain him into monkhood. Lord Buddha replied that only human could become monk. Disappointed, the Naga requested that if any human desired to become a monk, he should be called a "Naga" (pre-ordained being). The Lord Buddha granted his request. Since then, a male who is ready to enter monkhood is called "Naga". Monk calls female benefactor/follower "Seega"