I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.
Berean Study Bible (BSB) - Revelation 1:9 >I, John, your brother and partner in the tribulation and kingdom and perseverance that are in Jesus, was on the island of Patmos because of the word of God and my testimony about Jesus.
Textus Receptus (TR) - Revelation 1:9 >Ἐγὼ Ἰωάννης, ὁ καὶ ἀδελφὸς ὑμῶν καὶ συγκοινωνὸς ἐν τῇ θλίψει καὶ ἐν τῇ βασιλείᾳ καὶ ὑπομονῇ Ἰησοῦ Χριστοῦ, ἐγενόμην ἐν τῇ νήσῳ τῇ καλουμένῃ Πάτμῳ, διὰ τὸν λόγον τοῦ Θεοῦ καὶ διὰ τὴν μαρτυρίαν Ἰησοῦ Χριστοῦ.