'Grievance' in the Bible
The leaders of Gilead said to Jephthah, "The Lord will judge any grievance you have against us, if we do not do as you say."
He would get up early and stand beside the road leading to the city gate. Whenever anyone had a grievance to bring before the king for settlement, Absalom called out to him and asked, “What city are you from?” If he replied, “Your servant is from one of the tribes of Israel,”
He added, “If only someone would appoint me judge in the land. Then anyone who had a grievance or dispute could come to me, and I would make sure he received justice.”
Why dost thou shew me iniquity, and cause me to behold grievance? for spoiling and violence are before me: and there are that raise up strife and contention.
So if you are presenting your offering at the altar, and while there you remember that your brother has something [such as a grievance or legitimate complaint] against you,
But whenever you stand praying, if you have a grievance against any one, forgive it, so that your Father in Heaven may also forgive you your offences."
So then, if Demetrius and the craftsmen who are with him have a complaint against anyone, the courts are in session and proconsuls are available; let them bring charges against one another there.
If one of you has a grievance against an opponent, does he dare to go to law before irreligious men and not before God's people?
bearing graciously with one another, and willingly forgiving each other if one has a cause for complaint against another; just as the Lord has forgiven you, so should you forgive.