examinee; test taker
Refers to a person taking an examination, such as a school entrance exam, certification test, or job screening.
今年の受験者は昨年より増えた。
The number of examinees this year increased compared to last year.
受験者は試験開始の10分前までに着席してください。
Examinees should be seated at least 10 minutes before the test begins.
受験者 is the formal, official term for someone taking an exam, while 受験生 is the everyday word specifically for a student preparing for or sitting entrance exams.
interviewee
Compound of 受験 (taking an examination) and 者 (person).