Actually, the Jews of South Africa were in the forefront of the fight against racism, many taking the lead. And as far as slavery is concerned, those were the Arabs who were running the trade. Remember, the areas in Africa where the slave trade thrived were controled by Spain and Portugal -- thus Jews would have been generally banned from those aeas.
4 UN peacekeepers injured in Sinai and taken to hospital in south Israel (Haaretz)
from the article: Rice's visit / In the shadow of MLK