Transnational flow of immigrants is a social and cultural phenomena often of concern and discussion, but of less discussion within the Taiwanese aboriginal people. The author’s focus, in this case is on immigrants of Pangcah people of Hualien to South Africa in the 1980s. They belonged in the past to Taiwan society’s underlying labor class, meanwhile their life in the political and economic context was of the lower class, however they have one thing in common with each other, they were Christians when living in Taiwan. During the migration and growth process, they have set up the first overseas branch of their original village church, Pangcah Presbyterian Church of Taiwan, at the border between South Africa and Lesotho, but because of severe flooding, the local government decided evacuate the town residents in 1998 and also clear all buildings, including the church. However, although the Pangcah people were scattered all over South Africa , they continue to maintain momentum as religious, self-understanding even after global immigration. The Church is a social organization seen the "home" (Luma) of homeland, and allows them through the concept of “home” continue, to promote local development. The author discusses the Pangcah people’s culture of adaptation, changes in cross-border movements and religious relations. The research direction observes the Pangcah people in cross-border labor migration, Christianity, the Pangcah people’s culture adaptation and changes linked with "family" development as another possibility. Research methods cover participant observation of everyday life to special events which involved observing festivals in the fieldwork, Pangcah people’s religious practices and lifestyle, and a look into the Pangcah people’s cultural traits. Interview subjects were divided into based on the migration to South Africa from Taiwan, Pangcah 1st generation, 2nd generation and third-generation born in South Africa. The author has had in-depth interviews with the local Pangcah people about the development of the Pangcah peoples’ migration, different generations of Pangcah cultural logic, and religion in South Africa (deterritorialization)