A Copacati worshiper is someone who follows the Incan religion of Copacati. This religion was practiced by the Incas, an ancient civilization that lived in South America. The Incas believed in many gods and goddesses, and Copacati was one of them. Copacati worshipers would offer sacrifices to the god and perform rituals in his honor. They also believed that Copacati could bring good luck and fortune to those who followed him.