as·ses·sor 
/əˈsɛsɚ/ noun
plural as·ses·sors /əˈsɛsɚ/ noun [count] 1 : a person whose job is to officially say how much something (such as a property) is worth especially so that it can be taxed according to that value
▪ a tax assessor 2 law : a person who knows a lot about a particular subject and whose job is to give advice about that subject to a judge or other court official 3 : a person whose job is to officially say how well someone has done on a test, in a competition, etc.
▪ a tax assessor
