n.監(jiān)考人；監(jiān)考；監(jiān)視器

If you have a problem, ask the invigilator. 有問題就問監(jiān)考人。

The candidate must be subject to the invigilator's supervision and can not disturb the invigilator's work in any way. 考生必須服從監(jiān)考人員管理，不得以任何形式干擾監(jiān)考人員正常工作。