Caste is a social rank in Hinduism. Brahmins are priests and scholars, Kshatriya are warriors and nobles, Vaishya are merchants and farmers, and Shudra are artisans. Good karma enables one to improve his caste in the next life (see reincarnation).
- Brahmins -- priests and scholars
- Kshatriya -- warriors and nobles
- Vaishya -- merchants and farmers
- Shudra -- artisans and those of the serf class.
- Untouchables -- the lowest social class