'Defend' in the Bible

Learn to practice what is good; seek justice, alleviate oppression, defend orphans in court, and plead the widow's case.

"because I will defend this city and deliver it, for my own sake and for the sake of my servant David!'"

I'll save you and this city from the king of Assyria, and I'll defend this city, for my own sake and for my servant David's sake.