‘was not trying to rape the white woman, but she got frightened anyway and jumped to her death.’
I think that scene was stolen from James F. Coopers ‘Last of the Mohicans’, where the bad guy was the Huron Indian Magua, and the jumper was one of the Colonel’s daughters. Where Cooper stole it from I do not know.
The movie from South Africa from about 1984, "The Gods Must Be Crazy," seemed to have some similarities--both feature a villainous mixed-race man who leads astray gullible people of entirely black ancestry.
Even in a silent movie it is still a well filmed an chilling scene.