Mr jonathan hails from the oil-rich and mostly christian southern delta . General buhari is an austere former military ruler from the hausa ethnic group that dominates the north .
Young and old , rural and urban , ibo , hausa and yoruba : each group sees the world differently .
年轻人和老人,农村人和城市人,伊博人,豪萨族人和约鲁巴人:每个群体的世界观都是不同的。
All of this seems well beyond the capabilities of a small cult known mainly for its views on secular education . Boko haram in hausa , the main language of the north , means " western learning is forbidden " .