The master people, still, in this Upper Zambezi state are the A-luyi, who seem to have entered the lands of the Upper Zambezi from the direction of Eastern Angola, if vague tradition be anything to rely on. At any rate the A-luyi became the dominant tribe in this region some three hundred years ago, if not much earlier. Prior to their dominancy the Upper Zambezi regions had been invaded by terrible armies of cannibals, the “Bazimba” of Portuguese East African records and the “Giagas,” “Jaggas” of Portuguese Congo and Angola history. The term “Jagga” seems to have been derived from the title Jaga, which they gave to their chiefs; amongst themselves this tribe or congeries of tribes which played such an amazing part in the history of Central Africa in the latter half of the 16th century was known either as the “Imbángala” of the middle course of the Kwango river or the Va-chibokwe, Va-kioko, Va-chokwe, Bajoko (according to Livingstone), or Ba-jok of South-west Congoland and the Kasai sources. This boiling over of the Va-chokwe—as they are nowadays termed in their original home—caused terrific, population-destroying raids to be made across Northern Angola into Luango and the Congo coast region, and southwards over Barotseland, Central Zambezia, Southern Nyasaland and Moçambique, and northwards up the East Coast to the surroundings of Mombasa. The Va-chokwe were known by several names in the Portuguese records, the Jagga, Ba-zimba, and Bambo (_sing._ “Mumbo.”) “Ba-zimba” seems to have died out as a tribal name, but the Bambo still inhabit the region through which the Lower Shire flows, and the original Va-chokwe, Va-kioko, Va-chibokwe, or Ba-jok are prominent inhabitants in the basin of the extreme upper Kasai, and come into Barotseland or Angola on trading expeditions. They are a singularly independent, quarrelsome, warlike people, not unlikely to give trouble yet to the Belgian controllers of Congoland, to the British peace-keepers in North-West Zambezia, or to the Portuguese in Eastern Angola. But though Upper Zambezia was traditionally overrun by the Va-chokwe three hundred and fifty years ago, the A-luyi seem soon afterwards to have absorbed the invasive quota of peoples and to have settled down as the rulers of Upper Zambezia till their land was first invaded from the south about one hundred and twenty years ago. This invasion took place from the direction of Lake Ngami and the invaders seem to have been a section of the Ba-hurutse division of the Bechuana people. They reached the Upper Zambezi—traditionally—at the end of the 18th century, whether as friends or foes, tradition does not say; probably in small numbers and with no racial feud against the A-luyi. Their descendants may be the “Njenji” or “Zinzi” tribe who still speak a dialect of Sechuana and are settled rather high up the Zambezi. They seem however to have long retained the tribal name—Ba-hurutse—which became shortened into Ba-rotse.