NET
5 When they arrived in Salamis, they began to proclaim the word of God in the Jewish synagogues. (Now they also had John as their assistant.)
Darby
5 And being in Salamis, they announced the word of God in the synagogues of the Jews. And they had John also as [their] attendant.
KJV
5 And when they were at Salamis, they preached the word of God in the synagogues of the Jews: and they had also John to [their] minister.