'Treacherously' in the Bible
"A person sins against the LORD by acting treacherously toward his neighbor regarding something entrusted to his care, regarding security for a loan, robbery, if he has oppressed his neighbor,
"Instruct the Israelis that whenever a man or woman does something contained in the list of the sins of man, thereby acting treacherously against the LORD, then that person stands guilty.
Didn't Zerah's son Achan act treacherously with respect to the things banned by God, and as a result God became angry at the entire community of Israel? And that man was not the only one to die because of his iniquity.'"
So Eleazar's son Phinehas the priest replied to the descendants of Reuben, the descendants of Gad, and the descendants of Manasseh, "Today we've demonstrated that the LORD is among us, because you have not acted treacherously against the LORD. Now you have delivered the Israelis from the anger of the LORD."
Someone reported this to Saul: "Right now the army is sinning against the LORD by eating meat with the blood." He said, "You have acted treacherously. Roll a large stone to me today."