βοηθητέον
From LSJ
ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
English (LSJ)
A one must help, X.HG6.5.10, D.1.17, etc. II Adj. -ητέος, α, ον, Jul.Or.7.229a.
Greek (Liddell-Scott)
βοηθητέον: ῥημ. ἐπίθ., πρέπει τις νὰ βοηθήσῃ, Ξεν. Ἑλλ. 6. 5, 10, Δημ. 14. 5.
