'Complaint' in the Bible

Now in these days, [as] the disciples were increasing [in number], a complaint arose by the {Greek-speaking Jews} against the {Hebraic Jews} because their widows were being overlooked in the daily distribution [of food].

But [when] Paul was about to open [his] mouth, Gallio said to the Jews, "If it was some crime or wicked villainy, O Jews, {I would have been justified in accepting} your complaint.

If then Demetrius and the craftsmen [who are] with him have a complaint against anyone, the court days are observed and there are proconsuls--let them bring charges against one another!

putting up with one another and forgiving one another. If anyone should have a complaint against anyone, just as also the Lord forgave you, thus also you [do the same].