'Iniquity' in the Bible

The angel spoke up to those standing all around, "Remove his filthy clothes." Then he said to Joshua, "I have freely forgiven your iniquity and will dress you in fine clothing."

As for the stone I have set before Joshua -- on the one stone there are seven eyes. I am about to engrave an inscription on it,' says the Lord who rules over all, 'to the effect that I will remove the iniquity of this land in a single day.