What did the brethren do for Apollos in Acts 18:27 and how did he help the believers there?
When Apollos was disposed to pass into Achaia, the brethren wrote to the disciples, exhorting them to receive him. After he arrived, he helped the believers much—those who had now believed through grace—by preaching and teaching much the same message Paul did, with a more Jewish flavor.
Les explains that Acts 18:27 follows Aquila and Priscilla taking Apollos aside and expounding the way of God to him more perfectly or completely. They communicated what Paul had taught: the cross now made all the difference, and believers were no longer under the kingdom economy, the law, or temple worship, because Christ had died, been buried, and risen. When Apollos was disposed to pass into Achaia, the brethren wrote, exhorting the disciples to receive him. When he came, he helped them much, for they had now believed through grace. Later, at Corinth, Apollos preached and taught much the same thing Paul did, but with a more Jewish flavor, since he had been steeped in the teachings of John the Baptist, and many Corinthian believers were glued to him rather than Paul.
And when he was disposed to pass into Achaia, the brethren wrote, exhorting the disciples to receive him: who, when he was come, helped them much which had believed through grace: