The person that supervises, inspects, and monitors the production of kosher food.

ritual supervisor of kashrut who watches/supervises on the premises for dietary supervision of ingredients, food preparation, serving, dishes and cutlery, etc.

Religous officer charged with ensuring that Kashrut is maintained

The supervising / inspecting Rabbi. The mashgiach supervises food production to ensure that the food is kosher.

(pl., mashgichim) supervisor of the study of *nigleh in a *yeshivah

The person responsible for certifying the kosher status of the food in a restaurant or institution.

Specially trained rabbinical inspector who assures adherence to Kashrus in food processing. Plural: Mashgichim.

Hebrew - "overseer". The person who supervises the preparation and serving of Kosher food.

In Judaism, a mashgiach (Hebrew: משגיח, "supervisor") is a person who supervises the kashrut status of a kosher establishment.