The apostles.

Acts 15:4, 22
On their arrival in Jerusalem, they were welcomed by the church and apostles and elders, to whom they reported all that God had done through them. . . .

greeting.

Acts 23:26
"Claudius Lysias, To His Excellency, Governor Felix: Greetings.

Romans 16:3
Greet Prisca and Aquila, my fellow workers in Christ Jesus,

James 1:1
James, a servant of God and of the Lord Jesus Christ, To the twelve tribes in the Dispersion: Greetings.

2 John 1:3, 13
Grace, mercy, and peace be with us in truth and love from God the Father and from Jesus Christ, the Son of the Father. . . .

3 John 1:14
Instead, I hope to see you soon and speak face to face. Peace to you. The friends here send you greetings. Greet each of our friends there by name.

brethren.

Acts 11:18
When they heard this, their objections were put to rest, and they glorified God, saying, "So then, God has granted even the Gentiles repentance unto life."

Acts 14:27
When they arrived, they gathered the church together and reported all that God had done through them, and how He had opened the door of faith to the Gentiles.

Acts 21:25
As for the Gentile believers, we have written them our decision that they must abstain from food sacrificed to idols, from blood, from the meat of strangled animals, and from sexual immorality."

Syria.

Acts 15:41
And he traveled through Syria and Cilicia, strengthening the churches.

Acts 18:18
Paul remained in Corinth for quite some time before saying goodbye to the brothers. He had his head shaved in Cenchrea to keep a vow he had made, and then he sailed for Syria, accompanied by Priscilla and Aquila.

Acts 21:3
After sighting Cyprus and passing south of it, we sailed on to Syria and landed at Tyre, where the ship was to unload its cargo.

Galatians 1:21
Later I went to the regions of Syria and Cilicia.