Wikipedia
Bishop Nectarios was a priest in Australia when he read an appeal in a church magazine for missionaries to revive the Orthodox Church in Madagascar. There had been two Orthodox Churches in the country, mostly supported by Greek expatriates, but a military coup in 1972 had resulted in the expulsion of the clergy.
Nectarios pleaded with his bishop (the Bishop of Adelaide) to let him go to Madagascar, but the bishop at first refused, saying that he was too useful to him where he was. Eventually, however, the bishop relented, saying that he knew Nectarios would just be miserable if he were forced to stay.
Nectarios made contact with the publisher of the Greek magazine that contained the appeal, and asked who had written it, and was rather taken aback to learn that it was not an appeal from Orthodox Christians in Madagascar asking for a priest, but that the publisher himself had thought it would be a good idea. Nectarios realised that it would be pioneering missionary work.
Nevertheless, he went to Madagascar, which is part of the Greek Patriarchate of Alexandria and All Africa. He made contact with the families who were looking after the church buildings, and took the son of one of the families with him on his missionary journeys, travelling around the island to villages where there seemed to be no churches, and arranging with the headman of the village to preach the gospel there if anyone was interested. In this way he established several parishes. He sent the young man who had first accompanied him to the theological seminary in Nairobi, and established a school and an orphanage.
On 11 September 2004 he was killed in a helicopter crash along with Petros VII, Pope and Patriarch of Alexandria and all Africa, and several other clergy.