So then you are no longer strangers and aliens, but you are fellow citizens with the saints and members of the household of God,
19. Now therefore ye are no more strangers. The Ephesians are now exclusively addressed. They were formerly strangers from the covenants of promise, but their condition was now changed. They were foreigners, but God had made them citizens of his church. The high value of that honor which God had been pleased to bestow upon them, is expressed in a variety of language.
We have now come to the last part of the chapter, which contains an account of the great and mighty privileges that converted Jews and Gentiles both receive from Christ. The apostle here shows that those who were in a state of enmity are reconciled. Between the Jews and the Gentiles there had been a great enmity; so there is between God and every unregenerate man.
Commenting on Ephesians 2:14-22
Now therefore ye are no more strangers..... Alluding to the name "a stranger", by which the Jews called the Gentiles; meaning that they were not now strangers to God, to the grace of God, the love of God, and communion with him, nor to the throne of his grace; nor to Christ, to his person, his work and office, to his righteousness, to his voice...