'Unjust' in the Bible

in order that you may be sons of your Father who is in heaven, because he causes his sun to rise on the evil and the good, and he sends rain on the just and the unjust.

But if our unrighteousness demonstrates the righteousness of God, what shall we say? God, who inflicts wrath, [is] not unjust, [is he]? (I am speaking according to a human perspective.)

For God [is] not unjust, [so as] to forget your work and the love which you demonstrated for his name [by] having served the saints, and continuing to serve [them].

Domestic slaves, be subject to your masters with all respect, not only to those [who are] good and gentle, but also to those [who are] unjust.

For Christ also suffered once for sins, the just for the unjust, in order that he could bring you to God, being put to death in the flesh, but made alive in the spirit,