NET

9 I, John, your brother and the one who shares with you in the persecution, kingdom, and endurance that are in Jesus, was on the island called Patmos because of the word of God and the testimony about Jesus.

Darby

John's Introductory Vision of the Lord to the Seven Churches

9 I John, your brother and fellow-partaker in the tribulation and kingdom and patience^D9445, in Jesus, was^D9446 in the island called Patmos, for the word of God, and for the testimony of Jesus.

Darby Bible Notes

patience - Hupomone, 'endurance.' see Jas. 5.7; so chs. 2.2,3,19; 13.10; 14.12. The words 'tribulation,' 'kingdom,' 'patience' are intimately connected, being brought together under one head by one article in the Greek. was - Ginomai. see John 1.17. His being there was an event which happened on account of the word of God. So 'became,' ver. 10.

KJV

John's Introductory Vision of the Lord to the Seven Churches

9 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.