ἰσχυροπαίκτης
From LSJ
καλῶς δρῶν ἐξαμαρτεῖν μᾶλλον ἢ νικᾶν κακῶς → I would prefer to fail with honor than to win by evil | I prefer to fail by acting rightly rather than win by acting wrongly | Better fail by doing right, than win by doing wrong (Sophocles, Philoctetes 95)
English (LSJ)
ου, ὁ,
A one who plays valiantly, IG14.1535, Delph.3(1).216, Vett.Val.4.17.