On chapter 11 Who is Arthur Jarvis, and what kind of work is he involved in?

The murder victim, Arthur Jarvis, was a courageous young man according to one priest: he was the President of the African Boys' Club, and the son of James Jarvis of Carisbrooke. Arthur Jarvis was renowned for his interest in social problems and for his efforts for the welfare of the non-European sections of the community. Arthur was dedicated to the wefare of poor Black South Africans.