He grew up in Indonesia and was raised, at that time, as a Muslim. When his mother died he was raised by his atheist/Marxist grandmother. In his later years he attended Black Liberation Movement “church”.
I think he is a athiest Marxist who sees Islam as a tool that he can use for social change.
DING DING DING... We have a winner.
He is also using Christianity as a tool he can use for social change.
In other words, he is at bottom, an ALINSKYITE.