βαλαντιοσκόπος

From LSJ

τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)

Source

Spanish (DGE)

-ου, ὁ pendiente de su bolsa, tacaño Pall.V.Chrys.5p.32.