A professional deposit banker (argentarius, coactor argentarius, or later nummularius) received and held deposits for a fixed or indefinite term, and lent money to third parties.
Profesionalūs depozito bankininkai (lot. argentarius, coactor argentarius ar vėliau nummularius) priimdavo fiksuotam ar nefiksuotam laikui pinigus ir skolindavo tretiesiems asmenims.