That Brahmana who drinks alcohol, who becomes guilty of Brahmanicide or mean in his conduct, or a thief, or who breaks his vows, or becomes impure, or unmindful of his Vedic studies, or sinful, or characterised by cupidity, or guilty of cunning, or a cheat, or who does not observe vows, or who marries a Shudra woman, or who derives his livelihood by pandering to the lusts of other people, or who sells the Soma plant, or who serves a person of a low caste, falls away from his status of Brahman-hood.
सुरापो ब्रह्महा क्षुद्रश्चोरो भग्नवतोऽशुचिः। स्वाध्यायवर्जित: पापो लुब्धो नैकृतिकः शठः॥ अव्रती वृषलीभर्ता कुण्डाशी सोमविक्रयी। निहीनसेवी विप्रो हि पतति ब्रह्मयोनितः॥