That is Idi Ami...he famously described himself as: "His Excellency, President for Life, Field Marshal Al Hajj Idi Amin Dada, The Great Kabaka, Conqueror of the British Empire in Africa in general and Uganda in particular".

source
http://www.reportnaija.com/2016/04/historical-photo-of-european-diplomats.html

cc lalasticlala

Now I can say this is racism.

Back in the days
African leaders will rather their citizens die in war while trying to unseat them or they die on the presidential seat than relinquish it to someone else to avoid bloodshed.
A case study of Gaddafi, Mubarak and currently Mugabe.