In Rome, scribae (plural) were professional literates with higher qualifications; they were thus not simple copiers (librarii) but secretaries and accountants, in the early period even authors (Fest. p. 446). Scribae worked in both private and public spheres.
I. Scribae in private households
Slaves who assisted their masters in writing tasks were generally called (servi) librarii (Plin. HN 7,91; ILS 7398; 7401) or amanuenses (Suet…