H. P. Blavatsky

Daitya Guru. The instructor of the giants, called Daityas (q.v.) Allegorically, it is the title given to the planet Venus‐Lucifer, or rather to its indwelling Ruler, Sukra, a male deity (See Sec. Doct.. ii. p. 30).

Source: H. P. Blavatsky, The Theosophical Glossary, art. Daitya Guru