Answer :

W0lf93
The answer is the option B. Cecil Rhodes. He was a British politician, prime MInister in Cape (South Africa) who was a mining magnate. He started investing in Diamonds fields along with this brother. David Livingstone was a misioner and explorer. Benjamin Disraeli was a politician.
Topeaa
I believe it was Cecil Rhodes if my memory serves me right!
So it would be B