He, who acquires fame by tending cattle, who is engaged in agriculture and the means of acquiring riches, who is pure in conduct and attends to the study of the Vedas, is called a Vaishya. J
वणिज्या पशुरक्षा च कृष्यादानरतिः शुचिः। वेदाध्ययनसम्पन्न: स वैश्य इति संज्ञितः॥