'Sins' in the Bible

Let thine ear now be attentive, and thine eyes open, that thou mayest hearken unto the prayer of thy servant, which I pray before thee at this time, day and night, for the children of Israel thy servants while I confess the sins of the children of Israel, which we have sinned against thee. Yea, I and my father's house have sinned:

And the seed of Israel separated themselves from all foreigners, and stood and confessed their sins, and the iniquities of their fathers.

And it yieldeth much increase unto the kings whom thou hast set over us because of our sins: also they have power over our bodies, and over our cattle, at their pleasure, and we are in great distress.