2 Thessalonians 1 6
[It is a fair decision] since it is a righteous thing with God to repay with distress and affliction those who distress and afflict you,
Compare with other 3 random translations
YLT 2 Thessalonians 1:6since it is a righteous thing with God to give back to those troubling you — trouble,
EAS 2 Thessalonians 1:6God will punish those people who are causing trouble for you. He will cause trouble for them. That is right and fair.
AMP 2 Thessalonians 1:6For after all it is only just for God to repay with distress those who distress you,