if so be that it is a righteous thing with God to recompense affliction to them that afflict you,

For it is an act of righteousness on God's part to give trouble as their reward to those who are troubling you,

επειδη ειναι δικαιον ενωπιον του Θεου να ανταποδωση θλιψιν εις τους οσοι σας θλιβουσιν,

Seeing it is a righteous thing with God to recompense tribulation to them that trouble you;

Since it is a righteous thing with God to repay affliction to those who afflict you,