(actuarius.) Actarius can apply to acta and also to actus (fast movement, transportation) and can therefore designate activities in various areas:
1. In private life, actarius (= actuarius) refers to the ‘fast scribe’, that is of court speeches or recitations (Suet. Iul. 55; Sen. Epist. 4,4,9; Tac. Ann. 5,4), and therefore also to the bookkeeper or accountant (Petron. Sat. 53,1). A. (= actarius) refers to a record-keeper in private and imperial households (CIL VI 5 182; VI 6 244; VI 9 106 f.).
2. In military life, actuarii are, since Septimius Severus, sometimes h…