'Heads' in the Bible

Then he said, Great is my sin: but still, give me honour now before the heads of my people and before Israel, and come back with me so that I may give worship to the Lord your God.

But the rulers of the Philistines were angry with him, and said to him, Make the man go back to the place you have given him; do not let him go down with us to the fight, or he may be turned against us and be false to us: for how will this man make peace with his lord? will it not be with the heads of these men?