Concept:Barnabas acted as Paul's sponsor before the Jerusalem church.
Explanation:After his conversion, Paul tried to join the disciples in Jerusalem.
The believers were afraid of him because they remembered his earlier violent persecution of Christians.
They could not believe that he had truly become a follower of Jesus.
Barnabas, however, was willing to trust Paul and help him.
He took Paul to the apostles and personally introduced him to them.
Barnabas also explained what had happened to Paul on the road to Damascus.
He told them how Paul had seen the Lord Jesus and how the Lord had spoken to him.
He further informed them that Paul had preached boldly in the name of Jesus in Damascus.
Because of Barnabas's honest testimony, the disciples in Jerusalem accepted Paul as a brother.
This shows that Barnabas played a key role in bridging the gap between Paul and the early church.
Answer:C. Barnabas