Complex sentence: Mr. Sturgeon is also credited with convincing the young Cherokee actor to add Chief to his name for publicity purposes, which Tahachee did reluctantly, he actually was later honored with the honorary title of Chief in recognition of his activism and support of many American Indian causes.
Split into simpler sentences: Mr. Sturgeon is also credited with convincing the young Cherokee actor to add Chief to his name for publicity purposes, which Tahachee did reluctantly. The Chief was eventually given the honorary title of Chief to recognize his activism and support of many American Indian causes.