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kar seva

American  
[kahr say-vuh, kahr say-wuh] / ˌkɑr ˈseɪ və, ˌkɑr ˈseɪ wə /

noun

  1. Religion. in Sikhism and Hinduism, manual labor or physical service done voluntarily for spiritual reasons or for no reward, often involving the construction or maintenance of temples.