paladin Meaning, Definition & Usage

  1. noun someone who fights for a cause
    hero; fighter; champion.

WordNet

Pal"a*din noun
Etymology
F., fr.It. paladino, fr. L. palatinus an officer of the palace. See Palatine.
Definitions
  1. A knight-errant; a distinguished champion; as, the paladins of Charlemagne. Sir W. Scott.

Webster 1913