▁the ▁J iv aro an ▁groups ▁still ▁generally ▁una ffect ed ▁by ▁outside ▁contact . ▁ ▁The ▁name ▁Ach u ar ▁means ▁“ the ▁people ▁of ▁the ▁ag u aje ▁pal m ”. ▁ ▁L ifest yle ▁ ▁House holds ▁Ach u ar ▁life ▁cent ers ▁on ▁the ▁domestic ▁household , ▁which ▁consists ▁of ▁a ▁basic ▁family ▁unit ▁often ▁including ▁close ▁relatives . ▁Although ▁the ▁Ach u ar ▁ideal ▁is ▁household ▁aut onomy ▁and ▁independence ▁in ▁terms ▁of ▁subs istence ▁economy , ▁there ▁are ▁usually ▁about ▁ten ▁to ▁fifteen ▁households ▁within ▁the ▁society ▁dispers ed ▁throughout ▁the ▁area ▁but ▁still ▁in ▁a ▁relatively ▁close ▁distance ▁of ▁each ▁other . ▁Each ▁of ▁these ▁group ings ▁tends ▁to ▁be ▁u x or il ocal . ▁Mar ri ages ▁are ▁typically ▁pol yg yn ous , ▁with ▁partners ▁somewhat ▁related , ▁or ▁in ▁some ▁instances ▁women ▁are ▁taken ▁from ▁nearby ▁groups ▁during ▁ra ids . ▁Co - w ives ▁are ▁often ▁sister s ▁( see ▁sor oral ▁pol yg yn y ). ▁ ▁The ▁standard ▁Ach u ar ▁home ▁is ▁settled ▁near ▁a ▁river ▁or ▁lake , ▁but ▁at ▁some ▁distance ▁from ▁major ▁water ways ▁because ▁of ▁mos qu ito es ▁and ▁to ▁protect ▁the ▁household ▁against ▁ra ids ▁by ▁can oe . ▁It ▁is ▁sh aped ▁as ▁a ▁large ▁o val , ▁commonly ▁without ▁outer ▁walls ▁to ▁allow ▁vent ilation , ▁with ▁a ▁high ▁roof ▁with ▁straight ▁sides . ▁The ▁roof ▁is ▁often ▁made ▁out ▁of ▁pal m ▁tree ▁fr onds ▁while ▁two ▁types ▁of