▁ ▁E is ami ▁was ▁taken ▁as ▁a ▁capt ive ▁from ▁his ▁home ▁during ▁war fare ▁in ▁Born u ▁and ▁ens la ved . ▁After ▁being ▁sold ▁years ▁later ▁at ▁a ▁coast al ▁slave ▁market , ▁he ▁and ▁other ▁capt ives ▁were ▁liber ated ▁at ▁sea ▁in ▁ 1 8 1 7 ▁by ▁the ▁Royal ▁Navy , ▁as ▁the ▁Atlantic ▁slave ▁trade ▁had ▁been ▁b anned . ▁They ▁were ▁taken ▁to ▁the ▁new ▁col ony ▁of ▁Sierra ▁Le one ▁in ▁West ▁Africa ▁for ▁res ett lement , ▁where ▁he ▁made ▁a ▁new ▁home . ▁ ▁Biography ▁Ali ▁E is ami ▁was ▁born ▁in ▁Gaz ir ▁in ▁the ▁Kan em – B orn u ▁Empire , ▁in ▁ 1 7 8 6 ▁or ▁ 1 7 8 7 , ▁among ▁the ▁Kan uri ▁people ▁( in ▁the ▁area ▁of ▁present - day ▁Niger , ▁Niger ia ▁and ▁Ch ad ). ▁His ▁father ▁was ▁a ▁m all am , ▁a ▁scholar , ▁and ▁E is ami ▁was ▁educated ▁according ▁to ▁Islam ic ▁tradition . ▁During ▁the ▁Ful ani ▁War , ▁he ▁witness ed ▁the ▁fall ▁of ▁Ng az arg am u ; ▁his ▁family ▁lost ▁their ▁home ▁and ▁he ▁was ▁captured ▁and ▁ens la ved . ▁T aken ▁with ▁other ▁slaves ▁west ▁through ▁the ▁Haus a ▁Kingdom s , ▁E is ami ▁was ▁held ▁in ▁K ano ▁during ▁the ▁years ▁of ▁the ▁S ok oto ▁C ali ph ate ▁and ▁K ats ina . ▁He ▁was ▁a ▁witness ▁when ▁Af on ja ▁re bel led