Verses with the word citizen in the New Testament (2 verses):

Luke 15:15
And he went and joined himself to a citizen of that country; and he sent him into his fields to feed swine.

Acts 21:39
But Paul said, I am a man which am a Jew of Tarsus, a city in Cilicia, a citizen of no mean city: and, I beseech thee, suffer me to speak unto the people.