John’s baptism was a baptism of repentance administered before the New Testament economy was established. It was not Christian baptism, was not administered in the name of the Trinity, and bound its recipients to repentance rather than directly to faith in Christ.
John’s baptism prepared people through repentance, but it was distinct from the baptism practiced after Christ’s work. The supplied material states that some who had received John’s baptism were later baptized again by Paul in the name of Jesus.
The baptism practiced by John and by Jesus’ disciples before the crucifixion belonged to the earlier period and is distinguished from the Christian ordinance instituted after the New Testament economy began.