Tina Beattie’s obituary of Fr Robert Kaggwa Mafr (17 January) is most welcome. In 2006 he was a vital third of a team from the Von Hügel Institute which I led to research the social needs of 1,000 new (im)migrant arrivals in London’s dioceses. We uncovered grim housing, low wages and exhausted ethnic chaplains as they sought to respond to the scale of the challenge. The study attracted global attention and became a model for subsequent studies by Caritas agencies and bishops’ conferences. What is not known is that during the study, Robert so gained the trust of African Catholic communities in the capital that in interviews they shared with him suffering and struggles which even the report could not record. Because he was an African and a priest, these most vulnerabl