Why do you think South Africa has a higher population of whites than other countries in Southern Africa

After their independence the white were allowed to say acquire lands and marry their women unlike what transpired in other African nations colonized by whites.:

preach it sista lol xd

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.