 By 1709, Seku was the richest person in Tenegala and used his war house to assist the leader of Gonja in an assault on Bouna, an endeavor that provided him with significantly more slaves for his war house and firearms.Lasiri Gbambele was Seku's uncle through his father and a powerful leader in Kong.Although they were related, there was significant discord as a result of a dispute between Lasiri and Seku's father about the woman who would become Seku's mother.