ὑπουργητέον
From LSJ
τίς δ' οἶδεν εἰ τὸ ζῆν μέν ἐστι κατθανεῖν, τὸ κατθανεῖν δὲ ζῆν κάτω νομίζεται → who knows if life is death, and if in the underworld death is considered life
English (LSJ)
A one must serve or be kind to, Luc.Cont.2, Hld.7.17.
Greek (Liddell-Scott)
ὑπουργητέον: ῥηματ. ἐπίθ., δεῖ ὑπουργεῖν, παρέχειν ὑπηρεσίαν, Λουκ. Χάρων 2.