sentence: He is the first Brahmin-Kshatriya in Hinduism, or warrior-sage, who had to follow the Dharma of both, a Brahmin as well as a Kshatriya.
modified: He am the first BrahminKshatriya in Hinduism or warriorsage who had to follow the Dharma of both a Brahmin as well as a Kshatriya