Gaius Petronius Arbiter, original name Titus Petronius Niger (died ad 66), reputed author of the Satyricon, a literary portrait of Roman society of the 1st century ad.

Life. The most complete and the most authentic account of Petronius’ life appears in Tacitus’ Annals, an account that may be supplemented, with caution, from other sources. It is probable that Petronius’ correct name was Titus Petronius Niger. From his high position in Roman society, it may be assumed that he was wealthy; he belonged to a noble family and was therefore, by Roman standards, a man from whom solid achievements might have been expected. Tacitus’ account, however, shows that he belonged to a class of pleasure-seekers attacked by the Stoic philosopher Seneca, men who “turned night into day”; where others won reputation by effort, Petronius did so by idleness. On the rare occasions, however, when he was appointed to official positions, he showed himself energetic and fully equal to public responsibilities. He served as governor of the Asian province of Bithynia and later in his career, probably in ad 62 or 63, held the high office of consul, or first magistrate of Rome.

After his term as consul, Petronius was received by Nero into his most intimate circle as his “director of elegance” (arbiter elegantiae), whose word on all matters of taste was law. It is from this title that the epithet “Arbiter” was attached to his name. Petronius’ association with Nero fell within the emperor’s later years, when he had embarked on a career of reckless extravagance that shocked public opinion almost more than the actual crimes of which he was guilty. What Petronius thought of his imperial patron may be indicated by his treatment of the rich vulgarian Trimalchio in the Satyricon. Trimalchio is a composite figure, but there are detailed correspondences between him and Nero that cannot, given the contemporary nature of the work, be accidental and that strongly suggest that Petronius was sneering at the emperor.

Tacitus records that Nero’s friendship ultimately brought on Petronius the enmity of the commander of the emperor’s guard, Tigellinus, who in ad 66 denounced him as having been implicated in a conspiracy of the previous year to assassinate Nero and place a rival on the imperial throne. Petronius, though innocent, was arrested at Cumae in southern Italy; he did not wait for the inevitable sentence but made his own preparations for death. Slitting his veins and then bandaging them again in order to delay his death, he passed the remaining hours of his life conversing with his friends on trivial topics, listening to light music and poetry, rewarding or punishing his slaves, feasting, and finally sleeping “so that his death, though forced upon him, should seem natural.”

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