'Angel of the Church' in the Bible

To the angel of the church in Ephesus say: These things says he who has the seven stars in his right hand, who is walking in the middle of the seven gold lights:

And to the angel of the church in Smyrna say: These things says the first and the last, who was dead and is living:

And to the angel of the church in Pergamos say: These things says he who has the sharp two-edged sword:

And to the angel of the church in Thyatira say: These things says the Son of God, whose eyes are like a flame of fire, and his feet like polished brass:

And to the angel of the church in Sardis say: These things says he who has the seven Spirits of God and the seven stars: I have knowledge of your works, that you seem to be living but are dead.

And to the angel of the church in Philadelphia say: These things says he who is holy, he who is true, he who has the key of David, opening the door so that it may be shut by no one, and shutting it so that it may be open to no one.

And to the angel of the church in Laodicea say: These things says the true and certain witness, the head of God's new order: