Matthew 5:22

22But I tell you that anyone who is angry with a brother or sister The Greek word for brother or sister (adelphos) refers here to a fellow disciple, whether man or woman; also in verse 23. Some manuscripts brother or sister without cause will be subject to judgment. Again, anyone who says to a brother or sister, ‘Raca,’ An Aramaic term of contempt is answerable to the court. And anyone who says, ‘You fool!’ will be in danger of the fire of hell.