Which, when the apostles - Barnabas is called an apostle because he was sent forth by the church on a particular message (Acts 13:3; compare Acts 14:26), not because he had been chosen to the special work of the apostleship - to Dear witness to the life and resurrection of Christ. See the notes on Acts 1:22.
They rent their clothes - As an expression of their abhorrence of what the people were doing, and of their deep grief that they should thus debase themselves by offering worship to human beings. See the notes on Matthew 26:65.