professional
From LSJ
Ξενίας ἀεὶ φρόντιζε, μὴ καθυστέρει → Cura hospitalis esse nec in hoc sis piger → Sei stets auf Gastfreundschaft bedacht und säume nicht
English > Greek (Woodhouse)
adjective
as opposed to lay: Ar. and P. δεινός, P. πεπαιδευμένος.
professional speaker: P. and V. ῥήτωρ, ὁ.