vassal

Noun

Singular vassal

Plural vassals

1. A person who lives and works on the land of a superior and who says he will be loyal to the superior, normally a lord of a manor; a feudal tenant.
2. A subject; a dependant; a servant; a slave.

Verb

Plain form vassal

Third-person singular vassals

Past tense vassalled

Past participle vassalled

Present participle vassalling

1. (transitive) To treat someone as a vassal or to reduce him to the position of a vassal; to control; to enslave.
2. (transitive) To subordinate yourself to someone or something.

This section needs someone to add example sentences to it.