Assessor (noun)

1. An official who assesses the value of property for the purpose of determining the amount of taxes to be paid.
2. An official who judges the quality or worth of something or someone.
3. A person who helps another person or organization to assess or evaluate a situation or set of circumstances.

Origin:

Late middle english: from old french assessor, from latin assessor, from ad- "to" + *sessor, from sedere "to sit" (as a judge or assessor). the current sense dates from the late 16th century.

Examples:

1. The assessor will visit the property to determine its value.
2. The assessor decided that the antique vase was worth a lot of money.
3. The assessor's job is to evaluate the risk associated with each investment.
4. The lawyer acted as an assessor in the negotiations between the two companies.
5. The assessor recommended improvements to the processes to increase efficiency.