King James Version
To declare, I say, at this time his righteousness: that he might be just, and the justifier of him which believeth in Jesus.English Standard Version
It was to show his righteousness at the present time, so that he might be just and the justifier of the one who has faith in Jesus.Catholic Public Domain Version
and by the forbearance of God, to reveal his justice in this time, so that he himself might be both the Just One and the Justifier of anyone who is of the faith of Jesus Christ