'Unfaithfully' in the Bible

If any one act unfaithfully and sin through inadvertence in the holy things of Jehovah, then he shall bring his trespass-offering to Jehovah, a ram without blemish out of the small cattle, according to thy valuation by shekels of silver, according to the shekel of the sanctuary, for a trespass-offering.

If any one sin and act unfaithfully against Jehovah, and lie to his neighbour as to an entrusted thing or a deposit or that in which he hath robbed or wronged his neighbour,