Professors of medicine mercenary soldiers, the priest who acts as warder of the house, and persons who devote a whole year to study without any profit are all to be regarded as Shudras.
चिकित्सकः काण्डपृष्ठः पुराध्यक्षः पुरोहितः। सांवत्सरो वृथाध्यायी सर्वे ते शूद्रसम्मिताः॥