defender of principle

yesterday I started a new life at a new job place. but wait. it was not a new life. it was just like the old ones. but, finally I met a man with a same philosophy as I am (or was). he is a staunched defender of his principle. few times he quit his job due to that philosophy. he defends and nurtures his subordinates constantly if they put their effort at the correct pace. sounds that we may get along well. but he talks too much...