Sheikh Khalifa Isyaka Rabi'u Malamin Addinin Musulunci ne, kuma shahararren ɗan kasuwa ne wanda ya daɗe yana ayyukan taimakawa al'umma da Addinin Musulunci ga dukan ƙungiyoyi a lokacin rayuwarsa. Wanda Shahararen ɗan kasuwa ne Wanda ake ma lakabi da Bua An haifi marigayi Isyaku Rabi'u a shekara ta (1928 ) ga iyalan Muhammadu Rabi'u Ɗan Tinki, wanda mai wa'azin Addinin Musulunci ne daga Bichi cikin jihar Kano a Najeriya. Daga shekara ta (1936 )zuwa( 1942) marigayin ya halarci makarantar allo ta mahaifinsa, inda aka horar da shi kan Alkur'ani da Larabci. Daga nan ya tafi Maiduguri domin karo Ilimi, kuma bayan ya gama karatunsa a can ne ya dawo gida da niyyar yin aure. Bayan ya yi auren kuma ya tafi Zaria gidan wani shahararran Malami, mai suna Malam Na'iya, inda ya samu shekaru biyu yana ɗalibta. A shekarar ( 1949) ya kasance malamin Addini mai zaman kansa, inda yake koyar da Larabci da Alqur'ani ga ɗalibansa. Kuma a cikin daliban akwai Ibrahim Musa Gashash. A farko shekarun (1950) Mallam Isyaku Rabi'u ya fara kasuwanci, duk da cewa bai bar koyarwa ba.