Fellowship. The basis of fellowship. . . . . In the next few slides we\'ll just observe the presence of a few key ideas in some of the koinonia verses:baptism, the gospel, teaching, way of life.. . . Fellowship. Acts 2. . So those who welcomed his message were baptized, and that day about three thousand persons were added. They devoted themselves to the apostles\' teaching and fellowship, to the breaking of bread and the prayers..