ἐπιστηρίζω

…strengthening the souls of the disciples and encouraging them to continue in the faith. “We must endure many hardships to enter the kingdom of God,” they said.

Judas and Silas, who themselves were prophets, said much to encourage and strengthen the brothers.

And he traveled through Syria and Cilicia, strengthening the churches.

After Paul had spent some time in Antioch, he traveled from place to place throughout the region of Galatia and Phrygia, strengthening all the disciples.