'Master of the House' in the Bible

It is enough for the disciple to be as his teacher, and the servant as his lord. If they have called the master of the house Beelzebul, how much more will they so call those of his household!

But be sure of this, that if the master of the house had known in what watch the thief was coming, he would have watched, and would not have suffered his house to be broken through.