Ask at the forum if you have an Ancient or Modern Greek query!
Ὀίκοι μένειν δεῖ τὸν καλῶς εὐδαίμονα → The person who is well satisfied should stay at home.
spy: P. and V. κατάσκοπος, ὁ; see spy.
traveller: P. and V. ὁδοιπόρος, ὁ.