首陀罗 (首陀羅) shǒutuóluó

shǒutuóluó noun sudra; shudra; slave class
Domain: History 历史 , Subdomain: India
Notes: Sanskrit equivalent: śūdra, Pali: sudda; one of the four varnas of the Hindu social order, they serve the other three varnas (Wikipedia '首陀羅')