In 1970 Chadwick returned to Lesotho, where as Diocesan Missioner he was to build an
ecumenical conference and training centre in
Maseru, with the aim of building racial equality and reconciliation. Chadwick was soon involved in a
schools boycott. When many black African pupils refused to attend schools in protest against the compulsory teaching of
Afrikaans, he and the rest of the diocesan clergy encouraged students to complete their education, but also began to speak out against
Apartheid. The
South African Police accused clergy of maintaining links with the
South African Students' Organisation, and six clergy and diocesan youth workers were arrested. One of the youth workers,
Phakamile Mabija, a member of the
Anglican Nomads Educational Group, was arrested for allegedly vandalising public transport in
Galeshewe. Chadwick was then out of the country so it was
Thomas Stanage,
Dean of Kimberley, who was first informed that Mabija had died after apparently falling from the seventh-floor of the police station. On his return Chadwick protested against the death (particularly after the inquest proved to be a whitewash) and against the continued detention of his clergy. He planted wooden crosses outside his cathedral for each day the detention continued, and encouraged the ringing of church bells in protest. Once the clergy were released, the Chadwicks were placed under police surveillance, responding by taking regular cups of tea out to the policemen watching their house. Chadwick continued to work closely with other senior South African clergy, including
Desmond Tutu (then secretary of the
South African Council of Churches), and to speak out against injustice. As a result, in 1982 the authorities refused to renew his work permit. At the time he was visiting the
homeland of
Bophuthatswana so found himself stranded there. At first he attempted to continue running his diocese from the Anglican hospital there, but it soon became clear that this was not a viable long-term option. He managed to return to Kimberley in order to conduct the
Easter services, and in one final show of defiance, preached in both the local languages of Sesotho and
Setswana and (for the benefit of the police), Afrikaans. The following day, he and his family were escorted to the airport and deported, watched by a large contingent of armed police with dogs, and 50,000 (mainly black) protesters. ==Later ministry in Britain==