Historical in China, a native agent for a foreign business, who had charge over the native workers
See comprador in American Heritage Dictionary 4
also com·pra·dore(kŏmˌprə-dôrˈ)
noun
An intermediary; a go-between.
A native-born agent in China and certain other Asian countries formerly employed by a foreign business to serve as a collaborator or intermediary in commercial transactions.