Zoroastrianism and sexual orientation Zoroastrianism and sexual orientation Homosexuality in Zoroastrianism is, as in many other religions, a controversial topic. The most sacred scripture of Zoroastrianism is called the Avesta. The oldest portion of the Avesta are the writings of Zarathustra himself and called the Gathas. Traditionalist Zoroastrians argue that the Vendidad, one of the books of the Avesta, is an inherent part of Zoroastrian oral tradition even if it was compiled far later than other parts of the Avesta. This passage has been interpreted to mean that homosexuality is a form of demon worship, and thus sinful. Ancient commentary on this passage suggests
Avesta collection now lies in the Royal Library, Denmark ('K'-series). Other large Avestan language manuscript collections are those of the British Museum ('L'-series), the K. R. Cama Oriental Library in Mumbai, the Meherji Rana library in Navsari, and at various university and national libraries in Europe. In its present form, the Avesta is a compilation from various sources, and its different parts date from different periods and vary widely in character. Only texts in the Avestan language are considered part of the Avesta. According to the "Denkard", the 21 "nask"s (books) mirror the structure of the 21-word-long "Ahuna Vairya" prayer: each