Through Jesus was baptized (literally, "dipped") in the Jordan River by John the Baptizer, at which time he was acclaimed from heaven as God's Son, the Beloved. Much later baptism became one of the sacraments of the Church, the action by which a person is incorporated... the Christian has died with Christ and goes on from death to life in obedience to Christ.
Within the context of speaking about the life of the believer, A Christian missionary who once persecuted the church calls forth the imagery of baptism. He does not write on baptism as a topic in itself but as an illustration of how the Christian life is to be lived. That involves a dying to conventional living and its standards and living as a person dedicated fully to God and God’s will by being joined to Christ.