1) Eulogist 2) One who praises 1) Flatterer 
person who utters encomiums; praiser
• (n.) One who praises; a panegyrist.
(from the article `Mesopotamian religion`) That praise is of the essence of hymns, for instance, is shown by the fact that over and over again the encomiast, the official praiser, whose task ...
En·co'mi·ast noun [ Greek ..., from ... to praise, from ... encomium: confer French encomiaste . See Encomium .] One who praises; a panegyrist. Locke. 
a person who utters or writes an encomium; eulogist.