Noun
mashgiach (plural mashgiachs or mashgichim)
(Judaism) Somebody who supervises the kashrut status of food in a restaurant. [from 20th c.]
But perhaps we can take a lesson from Rav Yeruchem Levovitz zatzal, the great Mashgiach of the Mir Yeshiva in Europe – who had previously learned in the Yeshiva of Slabodka – whose famous Mashgiach was the Alter of Slabodka, Rav Nosson Tzvi Finkel zt”l. Source: Internet