assessor

Universal Words noun 1 an expert in a particular subject who is asked by a court of law or other official group to give advice: The government appointed independent assessors to review the viability of the remaining coal mines. 2 a person who calculates the value or cost of sth or the amount of money to be paid: an insurance / tax assessor 3 a person who judges how well sb has done in an exam, a competition, etc: College lecturers acted as external assessors of the exam results.