"Last month in parliament, not one of the MPs took the floor for the debate on slavery. Yet there are nine white Arab slave-masters and a dozen white Tuareg slave-masters in the chamber," he said. "Everyone knows they own slaves but no-one wants to talk about it."
Black and white seem to be pretty relative terms methinks. In England an Iranian police officer is apparently black. In Niger, Arab and Tuareg can be white.
"A matriarchal society with a caste-based hierarchy" says this wargaming site of the Tuareg.