A person who conducts, sets, or marks examinations to test knowledge, skill, or competence; = examiner, n. 2.

A person who conducts, sets, or marks examinations to test knowledge, skill, or competence; (chiefly) spec. (a) a person who examines candidates…

Scottish. The treasurer of a corporation or craft (craft, n. 5b).

A person who examines something or someone; esp. one conducting a judicial or academic examination; an examiner. Obsolete.

A person who sets testing questions; an examiner; = apposer, n. 1. Now historical.

A person who marks or corrects a student’s work, or who assesses the standard of a completed test or examination. Also with modifying adjective, as…

One who causes candidates to fail.