I consider him to be a Brahmana, who knowing the Supreme Soul can expound (the rules of life) and explain the doubts of all, himself having all doubts removed from his mind.
अभिजानामि ब्राह्मणं व्याख्यातारं विचक्षणम्। यश्छिन्नविचिकित्स: स व्याचष्टे सर्वसंशयान्॥