paladin

Noun

WordNet 3.0

Noun (1)

someone who fights for a causeSynonyms: champion fighter hero

Webster's Dictionary (GCIDE)

Paladin \Pal"a*din\, n. [F., fr.It. paladino, fr. L. palatinus an officer of the palace. See Palatine.] A knight-errant; a distinguished champion; as, the paladins of Charlemagne. --Sir W. Scott. [1913 Webster]