राम Rama, लोके in the world, अकृतात्मानः having no control over self, प्राकृतास्तु common people, क्षत्रियपांसनाः lowest of kshatriyas, यथा as, विकत्थन्ते they boast, निरर्थकम् in a meaningless, विकत्थसे you boast yourself.

O Rama common people, having no control over themselves and the lowest of kshatriyas boast of themselves in the world in a meaningless way as you are doing (now).