examiner
nounUK /ɪɡˈzæmɪnə/
US /ɪɡˈzæmɪnər/
A person who checks your work or tests to see how well you did.
The examiner gave us two hours to finish the test.
OTHER MEANINGS
2. A doctor who checks your body to see if you are healthy.
The medical examiner looked at my throat and ears.
3. A person who looks at something very carefully to find out about it.
She was a careful examiner of old coins.
4. A person whose job is to ask questions in an official test.
The examiner asked me to spell my name.
5. Someone who checks that rules are being followed.
The safety examiner checked all the machines.