vassal

/ˈvæsəl/

IPA: /V AE1 S AH0 L/

noun
  1. 1

    The grantee of a fief, feud, or fee; one who keeps land of a superior, and who vows fidelity and homage to him, normally a lord of a manor; a feudatory; a feudal tenant.

  2. 2
verb
  1. 1

    To treat as a vassal or to reduce to the position of a vassal; to subject to control; to enslave.

  2. 2

    To subordinate to someone or something.

adjective
  1. 1

    Resembling a vassal; slavish; servile.

Source: https://en.wiktionary.org/wiki/vassal