These two books help explain why this is so.
Bill Thorpe (2004) Remembering the Forgotten, A History of the Deebing Creek Aboriginal Mission in Queensland 1887-1915, Adelaide: Seaview Press.
Claire Williams and Bill Thorpe with Carolyn Chapman (2003) Aboriginal Workers and Managers, History, Emotional and Community Labour and Occupational Health and Safety in South Australia, Adelaide: Seaview Press.
Free PDFs of central chapters
from both books are available in the ‘Key Texts’ section. These include chapter 1 and 3, ‘Aboriginal health workers, emotional labour, and obligatory community labour’ from Aboriginal Workers and Managers, and chapters 1 and 3 from Remembering the Forgotten. Bibliographies are also included.