It is said there that one who has got firm faith in God and similar faith in God's representative. Yasya deve parā bhaktiḥ. Deve means God. Yasya deve parā bhaktir yathā deve tathā gurau. Gurau means spiritual master. Spiritual master means a perfect devotee of God. He's spiritual master. Tasyaite kathitā hy arthāḥ. So all this, I mean to say, import of the Vedic language will be revealed to him. Will be revealed to him. We cannot understand Vedas simply by academic qualification. We have to, we must have the qualification of becoming a devotee of the Supreme Lord and His representative, the spiritual master or the saintly persons. These are recommended in all Vedic scripture.
Gurau means
Lectures
Bhagavad-gita As It Is Lectures
Gurau means spiritual master. Spiritual master means a perfect devotee of God. He's spiritual master.
Lecture on BG 10.1 -- New York, December 30, 1966: