
1) Espier
Found on
https://www.crosswordclues.com/clue/discerner

• (n.) One who, or that which, discerns, distinguishes, perceives, or judges; as, a discerner of truth, of right and wrong.
Found on
http://thinkexist.com/dictionary/meaning/discerner/
Dis·cern'er noun One who, or that which, discerns, distinguishes, perceives, or judges; as, a
discerner of truth, of right and wrong. « A great observer and
discerner of men's natures.»
Clarendon. Found on
http://www.encyclo.co.uk/webster/D/76
No exact match found.