1) Cultism 2) Devotion 3) Idolatry 4) Veneration 5) Worship of nobelmen 
worship of nobility
• (n.) Worship of, or reverence for, a lord as such.
Lord·ol'a·try noun [ Lord + -olatry , as in idolatry .] Worship of, or reverence for, a lord as such. [ Jocose] « But how should it be otherwise in a country where lordolatry is part of our creed ?» Thackeray. 
[n] - worship of a lord because of his rank or title
noun the worship of a lord because of his rank or title