New Revised Standard Version
In that city there was a widow who kept coming to him and saying, ‘Grant me justice against my opponent.’

Contemporary English Version
In that same town there was a widow who kept going to the judge and saying, "Make sure that I get fair treatment in court."

New American Bible
And a widow in that town used to come to him and say, ‘Render a just decision for me against my adversary.’

Douay-Rheims Bible
And there was a certain widow in that city; and she came to him, saying: Avenge me of my adversary.

And there was a certain widow in that city; and she came to him, saying: Avenge me of my adversary.

a widow.

Deuteronomy 27:19 Cursed be he that perverteth the judgment of the stranger, of the fatherless and the widow: and all the people shall say: Amen.

2 Samuel 14:5 And the king said to her: What is the matter with thee? She answered: Alas, I am a widow woman: for my husband is dead.

*etc:

Job 22:9 Thou hast sent widows away empty, and the arms of the fatherless thou hast broken in pieces.

Job 29:13 The blessing of him that was ready to perish came upon me, and I comforted the heart of the widow.

Isaiah 1:17,21-23 Learn to do well: seek judgment, relieve the oppressed, judge for the fatherless, defend the widow. . . .

Jeremiah 5:28 They are grown gross and fat: and have most wickedly transgressed my words. They have not judged the cause of the widow, they have not managed the cause of the fatherless, and they have not judged the judgment of the poor.

Avenge.

Luke 18:7,8 And will not God revenge his elect who cry to him day and night? And will he have patience in their regard? . . .

Romans 13:3,4 For princes are not a terror to the good work, but to the evil. Wilt thou then not be afraid of the power? Do that which is good: and thou shalt have praise from the same. . . .