Abanyarwanda baca umugani ngo “Uburo bwinshi ntibugira umusururu”! Jenoside yakorewe Abatutsi mu 1994 yagize ingaruka nyinshi ku muryango Nyarwanda. Uretse gupfusha abarenga miliyoni mu gihe kitarenze iminsi 100, jenoside yakorewe abatutsi yasenye ubumwe bw’abanyarwanda hiyongeraho no guhungabana mu mitekerereze yabo n’imyemerere yabo.

Abahanga n’abashakashatsi mu byerekeye ubumenyi mu mibanire y’abantu muri sosiyete (Sociologists) bemeza ko hari ibintu bitatu bituma abantu bisanga mu nzego cyangwa intera zinyuranye z’imibereho (social stratifications) muri buri sosiyete y’abantu. Ibyo bintu bitatu bakemeza ko ari ibi bikurikira: – Ububasha, Ubutunzi n’Icyubahiro.