admonisher
From LSJ
Δεῖ τοὺς μὲν εἶναι δυστυχεῖς, τοὺς δ' εὐτυχεῖς → Aliis necesse est bene sit, aliis sit male → Die einen trifft das Unglück, andere das Glück
English > Greek (Woodhouse)
substantive
teacher: P. and V. διδάσκαλος, ὁ or ἡ.
chastener: P. σωφρονιστής, ὁ.
counsellor: P. and V. σύμβουλος, ὁ.