Complex sentence: A Juvenal satirist mocks "societal structure, power, and civilization" (Thomas) by exaggerating the words or position of his opponent in order to jeopardize their opponent's reputation and/or power.
Split into simpler sentences: A Juvenal satirist mocks "societal structure, power, and civilization" (Thomas). He will do this by exaggerating the words or position of his opponent in order to jeopardize his opponent's reputation and/or power.