Luke 18:3

And in the same town was a widow who repeatedly came and entreated him, saying, "'Give me justice and stop my oppressor.'

Luke 18:7-8

And will not God avenge the wrongs of His own People who cry aloud to Him day and night, although He seems slow in taking action on their behalf?

Romans 13:3-4

For judges and magistrates are to be feared not by right-doers but by wrong-doers. You desire--do you not? --to have no reason to fear your ruler. Well, do the thing that is right, and then he will commend you.

Treasury of Scripture Knowledge

Summary

And there was a widow in that city; and she came unto him, saying, Avenge me of mine adversary.

Bible References

Avenge

Luke 18:7
And will not God avenge the wrongs of His own People who cry aloud to Him day and night, although He seems slow in taking action on their behalf?
Romans 13:3
For judges and magistrates are to be feared not by right-doers but by wrong-doers. You desire--do you not? --to have no reason to fear your ruler. Well, do the thing that is right, and then he will commend you.