'Warned' in the Bible

So Abimelech warned all the people with these words: “Whoever harms this man or his wife will certainly die.”

Eventually, what Rebekah's older son Esau had been saying was reported to her, so she sent for her younger son Jacob and warned him, "Look! Your brother is planning to get even by killing you.

But God came to Laban the Aramean in a dream at night. “Watch yourself!” God warned him. “Don’t say anything to Jacob, either good or bad.”

But Judah said to him, “The man specifically warned us: ‘You will not see me again unless your brother is with you.’