'Mighty' in the Bible

“Then down marched the survivors to the nobles;The people of the Lord marched down for Me against the mighty.

‘Curse Meroz,’ said the messenger of the Lord,‘Utterly curse its inhabitants;Because they did not come to the help of the Lord,To the help of the Lord against the mighty.’

And the Angel of the Lord appeared to him and said to him, “The Lord is with you, O brave man.”

Now Jephthah the Gileadite was a brave warrior, but he was the son of a prostitute. Gilead was the father of Jephthah.