Wilbur Smith: Men of Men [1998] paperback

It is the age of empire, of blood and conquest, of boundless excitement and possibility. Striding in the footsteps of the pioneers is Zouga Ballantyne. His dream begins in the danger and drudgery of the diamond pits and ends up on the rich grasslands of Matabeleland - but not before a king and a proud warrior nation have paid the price of history...