NET
5 This is evidence of God’s righteous judgment, to make you worthy of the kingdom of God, for which in fact you are suffering.
Darby
5 a manifest token of the righteous judgment of God, to the end that ye should be counted worthy of the kingdom of God, for the sake of which ye also suffer;
KJV
5 [Which is] a manifest token of the righteous judgment of God, that ye may be counted worthy of the kingdom of God, for which ye also suffer: