'For Us' in the Bible

For the Lord your God dried up the waters of the Jordan for you until you crossed over, just as the Lord your God did to the Red Sea, which He dried up before us until we had crossed;

Now when Joshua was by Jericho, he looked up, and behold, a man was standing opposite him with his drawn sword in his hand, and Joshua went to him and said to him, “Are you for us or for our adversaries?”

The sons of Joseph said, “The hill country is not enough for us, and all the Canaanites who live in the valley have iron chariots, both those who are in Beth-shean and its towns and those in the Valley of Jezreel.”

Is the wrongdoing (idolatry) of Peor not enough for us, from which we have not cleansed ourselves to this day, even though the affliction [in which twenty-four thousand died] came on the congregation of the Lord,