7. Temitope Joshua: Synagogue Church Of All Nations (SCOAN) has an estimated net worth: $10 million – $15 million. Nigeria’s most controversial clergyman is also one of its richest and most philanthropic. T.B Joshua heads the Synagogue Church of all Nations (SCOAN), a congregation he founded in 1987, which accommodates over 15,000 worshippers on Sundays.