Vassal
A vassal, in European medieval feudalism terminology, is one who through a commendation ceremony (composed of homage and fealty) enters into mutual obligations with a lord, usually military conscription and mutual protection, in exchange for a fief. A bondman; one who holds land of a superior, and who vows fidelity and homage to him; a feudatory; a feudal tenant. --Burrill. A subject or servant; one who is dependent upon or enslaved to another. "The vassals of his anger."--Milton. Resembling a slave or subordinate "The sun and every vassal star." --Keble. One who is subject to the command of his Lord or superior . Types of vassal: