'Iniquity' in the Bible

I will be his father, and he shall be my son. If he commit iniquity, I will chasten him with the rod of men, and with the stripes of the children of men:

And the woman of Tekoah said unto the king, My lord, O king, the iniquity be on me, and on my father's house: and the king and his throne be guiltless.

And Absalom answered Joab, Behold, I sent unto thee, saying, Come hither, that I may send thee to the king, to say, Wherefore am I come from Geshur? it had been good for me to have been there still: now therefore let me see the king's face; and if there be any iniquity in me, let him kill me.

And said unto the king, Let not my lord impute iniquity unto me, neither do thou remember that which thy servant did perversely the day that my lord the king went out of Jerusalem, that the king should take it to his heart.

I was also upright before him, and have kept myself from mine iniquity.

And David's heart smote him after that he had numbered the people. And David said unto the LORD, I have sinned greatly in that I have done: and now, I beseech thee, O LORD, take away the iniquity of thy servant; for I have done very foolishly.