Matho is tortured to death in that work, which ends with the death of the titular Carthaginian princess.
In one of his works, a former Greek slave falsely translates the words of an orator to provoke mercenaries lodging in Sicca. That slave, Spendius, tricks a giant into stealing the veil of Tanit in an attempt to demoralize their enemy. Matho is tortured to death in that work, which ends with the death of the titular Carthaginian princess. In another of his works, a surgery that goes awry results in the title character's husband losing prestige, after which he racks up huge debts. The title character of that work is dissatisfied with Charles and has affairs with Rodolphe and Leon, after which she commits suicide by consuming arsenic. For 10 points, identify this French author who wrote Salammbo and Madame Bovary. 
In one of his works, a former Greek slave falsely translates the words of an orator to provoke mercenaries lodging in Sicca.
Gustave {Flaubert}