conformists
kənˈfɔːmɪst
noun
a person who conforms to accepted behaviour or established practices.
organizations where employees are loyal without being unthinking conformists
conventionalist,traditionalist,orthodox person,conservative,bourgeois,(old) fogey,stickler,formalist,diehard,reactionary,crawler,truckler,kowtower,groveller,puppet,spaniel,stick-in-the-mud,stuffed shirt,yes-man