The Portuguese-built Fort Jesus in Mombasa ( An excerpt from Edward Corcoran's Mombasa Mission 1888-1990 Part Two) As far as Christianity is concerned, the first stirrings seem to have been in the island of Socotra in the northern part of the Indian Ocean. We have alluded to a description of St Francis Xavier's visit there. Christianity was brought there by Christian Arabs as early as 524 AD when Cosmas Indicopleustes visited the island. We cannot say why missionary activity did not radiate from there, nor is there any trace of any penetration of Christianity further south on the well-defined trade route along the East Coast of Africa. What Christianity remained on the island itself was in a sorry state when St Francis Xavier called there. There was no longer a bishop or an ordained clergy; the inhabitants "...are Christians in their own opinion", according to Francis, "and pride themselves on having Christian names to prove it; they have churches and crosse...
Goans, East Africans et al