▁y i ḏ aki . ▁A ▁few ▁items ▁are ▁w ak in ŋ u ▁( without ▁mo iety ). ▁ ▁The ▁term ▁y oth u - y indi ▁( after ▁which ▁the ▁band ▁takes ▁its ▁name ) ▁literally ▁means ▁child - big ▁( one ), ▁and ▁describes ▁the ▁special ▁relationship ▁between ▁a ▁person ▁and ▁their ▁mother ' s ▁mo iety ▁( the ▁opposite ▁to ▁their ▁own ). ▁Because ▁of ▁y oth u - y indi , ▁Y ir rit ja ▁have ▁a ▁special ▁interest ▁in ▁and ▁duty ▁towards ▁D hu wa ▁( and ▁vice ▁vers a ). ▁For ▁example , ▁a ▁G um at j ▁man ▁may ▁craft ▁the ▁vari eties ▁of ▁y i ḏ aki ▁associated ▁with ▁his ▁own ▁( Y ir rit ja ) ▁cl an ▁group ▁and ▁the ▁vari eties ▁associated ▁with ▁his ▁mother ' s ▁( D hu wa ) ▁cl an ▁group . ▁ ▁The ▁word ▁for ▁" self ish " ▁or ▁" self - cent red " ▁in ▁the ▁Y ol ŋ u ▁languages ▁is ▁g urr ut um iri w , ▁literally ▁" kin ▁lack ing " ▁or ▁" act ing ▁as ▁if ▁one ▁has ▁no ▁kin ". ▁ ▁The ▁mo iety - based ▁kin ship ▁of ▁the ▁Y ol ng u ▁does ▁not ▁map ▁in ▁a ▁straightforward ▁way ▁to ▁the ▁notion ▁of ▁the ▁nuclear ▁family , ▁which ▁makes ▁accurate ▁standard ised ▁reporting ▁of ▁households ▁and ▁relationships ▁difficult , ▁for ▁example ▁in ▁the ▁census . ▁Pol yg amy ▁is ▁a ▁normal ▁part ▁of ▁Y ol ng