The Collaborative International Dictionary of English v.0.48:

Self-examinant \Self`-ex*am"i*nant\, n.
   One who examines himself; one given to self-examination.
   [1913 Webster]

         The humiliated self-examinant feels that there is evil
         in our nature as well as good.           --Coleridge.
   [1913 Webster]