they.

Acts 18:6
But when they opposed and insulted him, he shook out his garments and told them, "Your blood be on your own heads! I am innocent of it. From now on I will go to the Gentiles."

Matthew 10:14
And if anyone will not welcome you or heed your words, shake the dust off your feet when you leave that home or town.

Mark 6:11
If anyone will not welcome you or listen to you, shake the dust off your feet when you leave that place, as a testimony against them."

Luke 9:5
If anyone does not welcome you, shake the dust off your feet when you leave that town, as a testimony against them."

Iconium.

Acts 14:1, 19, 21
At Iconium, Paul and Barnabas entered the Jewish synagogue as usual, and they spoke so well that a great number of Jews and Greeks believed. . . .

Acts 16:2
The brothers in Lystra and Iconium spoke well of him.