In the broadest sense, a vicar (; from the Latin vicarius)'s a representative, anyone acting "in the person of" or for a superior (compare "vicarious" in the sense of "at second hand"). In this sense, the title's comparable to lieutenant, literally the "place-holder". Usually the title appears in a number of Christian ecclesiastical contexts, but in the Holy Roman Empire a local representative of the emperor, perhaps an archduke, might be styled "vicar". Catholic Church In Catholic canon law, a… (More on Vicar)