The White Fathers had arrived at Mponda, west of
Lake Nyasa, in 1885, and in 1891 had moved up the
Stevenson Road which had been built to connect Nyasa with
Lake Tanganyika, stopping at Mambwe Mwela. They attempted to set up in Bemba lands but the
Paramount Chief of the
Bemba, the
Chitimukulu, was fiercely opposed to any incursion by missionaries. When Dupont arrived at Mambwe in 1895 he found that some of the independently minded Bemba
Senior Chiefs were not opposed, and one of them, Makasa at
Kayambi, gave Dupont a foothold in his area in 1895. Dupont tried to expand into the Bemba heartland and though gaining favour from many of the chiefs, was still opposed by the Chitimukulu. In 1897 Dupont was appointed the first
Vicar Apostolic of
Nyassa, which covered today's
Malawi and the whole northern half of present-day Zambia. There are several versions of the origin of the nickname 'Moto Moto' (fire fire). One is that it was in recognition of his energy, another that Dupont smoked a pipe and was constantly calling for a light, another was that it was a Chewa war cry from the Nyasa area, another, more unlikely, that he had an early kind of motorbike. ==The Chieftainship succession crisis==