συμπαιστής
From LSJ
ἄνθρωπός ἐστι πνεῦμα καὶ σκιὰ μόνον → human being is only a breath and a shadow, man is but a breath and a shadow
English (LSJ)
οῦ, ὁ,
A playmate, playfellow, Pl.Min.319e, Ael.NA14.28:—fem. συμ-παίστρια, ἡ, Ar.Ra.413, Hld.2.24, 7.14.