'Angel of the Church' in the Bible

And to the angel of the church of the Smyrnians write, These things saith the first and the last, who was dead, and is alive:

And to the angel of the church at Pergamos write, These things saith he who holdeth the sharp two-edged sword;

And to the angel of the church which is at Thyatira write, These things saith the Son of God, who hath his eyes as a flame of fire, and his feet like the molten brass;

AND to the angel of the church in Sardis write, These things saith he that hath the seven spirits of God, and the seven stars; I know thy works, and that thou hast a name, as though thou wert alive, yet art dead.

And to the angel of the church in Philadelphia write, These things saith the Holy One, he that is true, who hath the key of David, who openeth, and none shutteth, and shutteth, and no man openeth.

And to the angel of the church of the Laodiceans write, These things saith the Amen, the faithful and true witness, the origin of the creation of God;