How to pronounce“proselytizer”in English

I read a book when I was 13 years old called "Man's Place in Nature" by Thomas Henry Huxley, who was one of Charles Darwin's closest buddies.He was often called, as you may remember, Darwin's bulldog, because he was really the proselytizer, in many ways, for Darwin's paradigmatic shift.And to use that word carefully, that was a really paradigm shift.