VassalA vassal, in Euro-centric mediaeval terminology, through homage and fealty became a dependant on or a partisan of a lord. 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: