Original sentence: He grew up on a wine farm in Stellenbosch and built up a typically Boer wealth in livestock near Grahamstown, which he lost to raids.He led his own band over the Drakensberg Mountains into what is now Kwa-Zulu Natal.Losses like these impelled many local Boers to become Voortrekkers (lit.On the 6th, the Zulus turned on Retief's party and killed them down to the last man.Pieter Retief was born about 1780 in the Cape Colony, South Africa, and died 6 February 1838 in what is now Kwa-Zulu Natal.those who move ahead) to new lands north
Edited sentence: He built up a typically Boer wealth in livestock near Grahamstown, which he lost to Kafir raids.He grew up on a wine farm at Stellenbosch.He led his own band over the Drakensberg Mountains into what is now Natal.Losses like these impelled many local Boers to become Voortrekkers (pioneers) to new lands north.On the 6th, the Zulus suddenly turned on Retief's party and massacred them down to the last man.Pieter Retief was born about 1780 in Cape Colony, in what is now South Africa, and died 6 February 1838 in what is now Natal