fealty

Fidelity to one's lord or master; the feudal obligation by which the tenant or vassal was bound to be faithful to his lord.countableuncountable

• I doubt whether the most devoted fidelity would bear strict examination as to the short reposes even the most entire fealty permits itself.
• Ordo Malleus Inquisitor: In fealty to the God-Emperor, our Undying Lord, and by the grace of the Golden Throne, I declare exterminatus upon the Imperial world of Typhon Primaris.