assessor

noun
UK /əˈses.ər/
US /əˈses.ɚ/

A person who checks how good or how much something is.

The assessor looked at our house to see how much it is worth.


OTHER MEANINGS

2. A person who decides how much tax someone must pay.

The tax assessor set a value on the land.

3. A person who judges how well a student has done.

The assessor gave the project a high mark.

4. Someone who helps a judge in court by giving expert advice.

The judge asked the assessor for help with the numbers.