ἐξουσιαστής
From LSJ
Oἷς ὁ βιος ἀεὶ φόβων καὶ ὑποψίας ἐστὶ πλήρης, τούτοις οὔτε πλοῦτος οὔτε δόξα τέρψιν παρέχει. → To those for whom life is always full of fears and suspicion, neither wealth nor fame offers pleasure.
English (LSJ)
οῦ, ὁ,
A mighty one, person in authority, LXXIs.9.6(5), Cat.Cod.Astr.5(3).86, PGen.53.2 (iv A.D.).
German (Pape)
[Seite 889] ὁ, der Machthaber, LXX. u. Sp.