My father would never turn his back on a man who had been as conscientious to the cause of peace and as kind to the Stein family as RN had been.
My father wasn't much for loyalty, even to a man so conscientious and kind.
mnli hypothesis: My father wasn't much for loyalty, even to a man so conscientious and kind. premise: My father would never turn his back on a man who had been as conscientious to the cause of peace and as kind to the Stein family as RN had been.