That person among Brahmanas Kshatriyas or Vaishyas who, having deviated from the proper duties of his caste, has become a Shudra, is truly to be compared to such a washerman.
एवमेतद् द्विजेन्द्राणां क्षत्रियाणां विशां तथा। शूद्रश्चतुर्थो वर्णानां नानाकर्मस्ववस्थितः॥