invigilator
noun/ɪnˈvɪd͡ʒɪleɪtəɹ/
Etymology From invigilate + -or, from Latin invigilatus, past participle of invigilo.
1
Commonwealth, Ireland, UK A person who supervises students during an examination; a proctor
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.