ἐμπήκτης
From LSJ
ἔγνω δὲ φώρ τε φῶρα καὶ λύκος λύκον → the thief knows the thief and the wolf knows the wolf, and thief knows thief and wolf his fellow wolf, set a thief to catch a thief
English (LSJ)
ου, ὁ,
A one who sticks up judicial notices, Arist.Ath.64.2, al.
German (Pape)
[Seite 812] ὁ, der Gesetze od. Verfügungen der Behörden öffentlich anheftet, um sie bekannt zu machen, Hesych.