'Justifier' definitions:

Definition of 'justifier'

From: WordNet
noun
A person who argues to defend or justify some policy or institution; "an apologist for capital punishment" [syn: apologist, vindicator, justifier]

Definition of 'Justifier'

From: GCIDE
  • Justifier \Jus"ti*fi`er\, n. One who justifies; one who vindicates, supports, defends, or absolves. [1913 Webster]
  • Justifiers of themselves and hypocrites. --Strype. [1913 Webster]
  • That he might be just, and the justifier of him which believeth in Jesus. --Rom. iii. 26. [1913 Webster]