συμβιωτής
From LSJ
τὸ δ' ἡδέως ζῆν καὶ ἱλαρῶς οὐκ ἔξωθέν ἐστιν, ἀλλὰ τοὐναντίον ὁ ἄνθρωπος τοῖς περὶ αὑτὸν πράγμασιν ἡδονὴν καὶ χάριν ὥσπερ ἐκ πηγῆς τοῦ ἤθους προστίθησιν → but a pleasant and happy life comes not from external things, but, on the contrary, man draws on his own character as a source from which to add the element of pleasure and joy to the things which surround him
English (LSJ)
οῦ, ὁ,
A one who lives with, companion, partner, prob. l. in Eup.448, cf. Plb.8.10.3, Cic.Fam.9.10.2. II esp. of the confidants of the Roman Emperors, etc., Plu.2.207c, Jul. Caes.326b; σ. τοῦ βασιλέως Βαβυλῶνος LXX Bel 2.
