'Iniquity' in the Bible

if they take thought in the land where they have been taken captive, and repent and make supplication to You in the land of those who have taken them captive, saying, ‘We have sinned and have committed iniquity, we have acted wickedly’;

So she said to Elijah, “What do I have to do with you, O man of God? You have come to me to bring my iniquity to remembrance and to put my son to death!”