examiner
1. [ noun ] someone who administers a test to determine your qualifications
Synonyms: quizzer tester
Related terms: inquirer quiz
2. [ noun ] (work) an investigator who observes carefully
Synonyms: inspector
Examples:

"the examiner searched for clues"

Related terms: investigator checker scrutineer scrutiniser bank_examiner audit
Similar spelling:   examine
  examinee
  examination
  examen