Complex sentence: The chief imam of the Freetown Central Mosque is Sheikh Ahmad Tejan Sillah, a Shia Muslim, who is also the spiritual leader of the United Council of Imams, an Islamic religious organisation that is made up of imams across Sierra Leone.
Split into simpler sentences: The chief imam of the Freetown Central Mosque is Sheikh Ahmad Tejan Sillah, a Shia Muslim. The United Council of Imams, is an Islamic religious organisation that is made up of imams across Sierra Leone.