proquaestor
/prəʊˈkwiːstə/Roman History
noun
A person appointed to act in place of or on behalf of a quaestor, usually serving under a proconsul in the administration of a province.
Origin
Late 17th century; earliest use found in Obadiah Walker (1616–1699), college head and author. From post-classical Latin proquaestor from classical Latin prō quaestōre (person acting) on behalf of a quaestor from prō + quaestōre, ablative of quaestor.