vassal

/ˈvæsəl/
noun
  1. In medieval times, a person who was given land and protection by a lord in exchange for loyalty and service.
    • The lord granted a portion of his estate to a trusted vassal.
    • Each vassal was required to provide knights for the king's army.
    • The vassal swore an oath of fealty to his lord.
  2. A person, country, or group that is controlled by or dependent on a more powerful one.
    • The company acted like a vassal, following every order from its parent corporation.
    • In the modern economy, some nations worry about becoming a vassal to foreign corporations.
    • The small kingdom became a vassal of the larger empire.
Antonyms
What does "vassal" mean? | whatsthatwordmean | whatsthatwordmean