Conversation so far:
Did Kareem Abdul-Jabbar change religions at some point?
At age 24 in 1971, Kareem Abdul-Jabbar converted to Islam
Did Kareem Abdul-Jabbar change his name at the same time?
He became Kareem Abdul-Jabbar, which means noble one, servant of the Almighty.“

Question: What was his religion prior to that?
Self-contained rewrite: What was Kareem Abdul-Jabbar's religion prior to his conversion to Islam ?