The document summarizes the work of the Human Development Foundation Mercy Centre in Bangkok, Thailand. It focuses on helping people in Bangkok's slums through operating schools, improving health and welfare, protecting street children's rights, and providing shelter. The author volunteered at the Centre by teaching English at makeshift schools and a vocational school for children from the Klong Toey slum. They also tutored students for college scholarships and spent a week volunteering with an HDF satellite program helping the Moken people on Koh Lao island adapt to modern amenities.