Cain killed Abel because Cain's "works were evil and his brother's righteous" (1 John 3:12).
N'wana wa mativula, ku nga Kayini, u dlaye makwavo Avele hikwalaho ka leswi "mintirho yakwe a yi hombolokile, kambe leya makwavo a yi lulamile." (1 Yohane 3:12) Loku a ku nga ri ku rhandza ka Xikwembu hikuva Xikwembu a xi n'wi tsundzuxile Kayini ka ha ri emahlweni, kutani endzhaku xi n'wi xupula.