'Assert' in the Bible

Then worthless and wicked men gathered around him to resist Rehoboam son of Solomon when Rehoboam was young, inexperienced, and unable to assert himself against them.

“And now you are saying you can assert yourselves against the Lord’s kingdom, which is in the hand of one of David’s sons. You are a vast number and have with you the golden calves that Jeroboam made for you as gods.