Rahim Al-Hussaini was named Wednesday as the new Aga Khan, spiritual leader of the world’s millions of Ismaili Muslims, following the death of his father.

The Aga Khan IV was often referred to as a philanthropist, but the description ignores the spiritual impetus for his work.

The late Prince Karim Al-Hussaini Aga Khan IV, who died on Tuesday in Lisbon after nearly seven decades as the spiritual leader of the global Ismaili Muslim community, will be buried in Egypt on Sunday,