NGO Shavei Israel organized a leadership and Jewish learning week in Onithsa, Nigeria for more than 250 local youth and 20 adults. These Nigerians are members of the Igbo ethnic group of which some 4,000 practice Judaism, professing descent from a lost tribe.

https://www.jns.org/more-than-250-nigerian-youth-participate-in-first-jewish-leadership-seminar/