Definitions for "Rater"
a victorian survivor used on the River Thames with a vast rig over a flattish (but very rockery) hull
Keywords:  scolds, one
One who rates or scolds.
a person who is trained to use criteria consistently and skillfully in assessing performance
The individual in the Ratee's chain of command and normally the immediate supervisor , who establishes performance expectations and who proposes overall performance appraisals and ratings.
A person who evaluates or judges student performance on an assessment against specific criteria.
Keywords:  estimates, one
One who rates or estimates.