'Battler' definitions:

Definition of 'battler'

(from WordNet)
noun
Someone who fights (or is fighting) [syn: combatant, battler, belligerent, fighter, scrapper]

Definition of 'Battler'

From: GCIDE
  • Batteler \Bat"tel*er\, Battler \Bat"tler\, n. [See 2d Battel, n.] A student at Oxford who is supplied with provisions from the buttery; formerly, one who paid for nothing but what he called for, answering nearly to a sizar at Cambridge. --Wright. [1913 Webster]