Daniel Mark Buntain (1923–1989) served as a missionary in Calcutta, India where he, along with his wife Huldah Buntain, founded the Mission of Mercy. Together they planted a ministry that included a large congregation, a six-storey hospital, a feeding program providing daily meals for thousands, and dozens of schools for children and adults.

Buntain was born in Winnipeg, Canada, where his father, Daniel Newton Buntain, pastored a prominent Methodist congregation. His father opposed the early success of Pentecostalism in Canada until he attended a reviv…