Conversation so far:
What did Kareem Abdul-Jabbar write about?
Abdul-Jabbar is a best-selling author, cultural critic and has also been a regular contributor to discussions about issues of race and religion.
What recognition has Kareem Abdul-Jabbar gotten for writing?
What is Kareem Abdul Jamar an activist for?
Abdul-Jabbar has also been a regular contributor to discussions about issues of race and religion, among other topics, in national magazines and on television.

Question: What religions did he support?
Self-contained rewrite: What religions did Kareem Abdul-Jabbar support?