John Wesley on Acts 6:9

There arose certain of the synagogue which is called - It was one and the same synagogue which consisted of these several nations. Saul of Cilicia was doubtless a member of it; whence it is not at all improbable, that Gamaliel presided over it. Libertines - So they were styled, whose fathers were once slaves, and afterward made free. This was the ease of many Jews who had been taken captive by the Romans.