Praetor

The Praetor (Rihanssu: Fvillha) was the head of government of the Romulan Star Empire. While he was technically below the Emperor and the Imperial Legate, the Praetor is the actual power, acting as a prime minister. He was protected by the Tal Prai'ex and elected internally by the Romulan Senate, over which he presides. ( video game: )

The Praetor in Star Trek canon is referred to in as the Chief Praetor (Rihannsu: Daise'Fvillha) and the others referred to as Praetors in   are actually members of the Continuing Committee, among which the Proconsul and the Vice-Proconsul are included. (: "The Departure (RIS Bouteina episode)", "Rator III Awaits")