κυβευτής
From LSJ
ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap
English (LSJ)
οῦ, ὁ,
A dicer, gambler, S.Fr.947, Eup.11.8 D., X.HG 6.3.16, Men.965, Vett.Val.202.6; οἱ Κυβευταί, name of plays by Antiphanes, etc.