'Unfaithfully' in the Bible

“If a person acts unfaithfully and sins unintentionally against the Lord’s holy things, then he shall bring his guilt offering to the Lord: a ram without defect from the flock, according to your valuation in silver by shekels, in terms of the shekel of the sanctuary, for a guilt offering.

“When a person sins and acts unfaithfully against the Lord, and deceives his companion in regard to a deposit or a security entrusted to him, or through robbery, or if he has extorted from his companion,