The term 'Knowledge Tester' can be summarized as a person who administers quizzes. This job requires the individual to have a good understanding of the subject matter and to be able to create questions that accurately test the knowledge of the participants. The crossword solution for this term is 'QUIZ, ' which is a short form of the word 'QUESTIONNAIRE.' A QUIZ is a type of assessment used to measure a person's knowledge on a particular topic or subject. Quizzes are often used in educational settings to assess student learning, but they can also be used in other contexts such as job interviews or employee evaluations.