Conversation so far:
Where did Kareem Abdul Jabbar get his name from?
Kareem Abdul-Jabbar was named by the Islamic leader Hamaas Abdul Khaalis.
When did Kareem Abdul-Jabbar's new name take effect?
After leading the Bucks to its first NBA championship at age 24 in 1971, he took the Muslim name Kareem Abdul-Jabbar.
How did Kareem Abdul-Jabba get his new name?
Kareem Abdul-Jabbar was named by the Islamic leader Hamaas Abdul Khaalis.

Question: What made him convert?
Self-contained rewrite: What made Kareem Abdul-Jabaar convert?