'Complaint' in the Bible

Now in those days, when the disciples were growing in number, a complaint arose on the part of the Greek-speaking Jews against the native Hebraic Jews, because their widows were being overlooked in the daily distribution of food.

But just as Paul was about to speak, Gallio said to the Jews, "If it were a matter of some crime or serious piece of villainy, I would have been justified in accepting the complaint of you Jews,

If then Demetrius and the craftsmen who are with him have a complaint against someone, the courts are open and there are proconsuls; let them bring charges against one another there.

bearing with one another and forgiving one another, if someone happens to have a complaint against anyone else. Just as the Lord has forgiven you, so you also forgive others.