1. 
   Expositor
   Ex·pos'i·tor noun [ Latin See Expound .] One who, or that which, expounds or explains; an expounder; a commentator. Bp. Horsley.
   Found op http://www.encyclo.co.uk/webster/E/93
   
   
2. 
   expositor
   expounder noun a person who explains
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=expositor
   
   
3. 
   Expositor
   • (n.) One who, or that which, expounds or explains; an expounder; a commentator.
   Found op http://thinkexist.com/dictionary/meaning/expositor/
   
   

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