lumbu (walumbu)NG31sibling of opposite sexKummona lumbu dyako Sharifayi?Do you see your sibling (of opposite sex) Sharify?Karhebwa ni lumbudye ase kutongerezana na wana chirume.She has been prohibited by her brother from walking together with boys.2cousin of opposite sexLumbu dyangu kaniletera zawadi kulawa Afrika.My cousin (of opposite sex) brought me a gift from Africa.The singular of this noun is NG3, but the plural is NG1.