'Warn' in the Bible

But to keep this matter from spreading any further among the people, let us warn them to speak no more to anyone in this name."

He commanded us to preach to the people and to warn them that he is the one appointed by God as judge of the living and the dead.

But some itinerant Jewish exorcists tried to invoke the name of the Lord Jesus over those who were possessed by evil spirits, saying, "I sternly warn you by Jesus whom Paul preaches."