Imperator

Imperator is a political title. It refers to someone with the role of head of state and head of government.

From the Latin for commander, the title was first used on Earth in the Roman Empire. The Imperial Starfleet's starships, the  dreadnought and Romulan  were named for this title.

History
In 2270, Romulan Imperator Melek oversaw a trial of Spock on charges of theft and sabotage. Melek deferred to Desus, who presented himself as Supreme Commander, Romulan Supreme Command. 

In 2274, James T. Kirk, Spock, Leonard McCoy and Christine Chapel visited Imperator Dykranus on Zeta-Atez in dress uniforms, eventually saving his life. 

In 2376 of an alternate timeline, Julian Bashir had a holographic audience with Imperator Tiberius Sejanus Singh after the Botany Bay was discovered in the sector containing Bajor. Bashir thought Singh lacked Khan Noonien Singh's charisma. 

In 2384, Imperator Sozzerozs acted under orders from the Domo of the Breen Confederacy, then in 2385 attended dedication ceremonies for Deep Space 9 (II). 

Imperators

 * Dykranus (Zeta-Atez)
 * Melek (Romulus)
 * Tiberius Sejanus Singh (Children of Khan)
 * Sozzerozs (Gorn Hegemony)

Related titles

 * Imperator of the Gorn Hegemony
 * Imperator of the Gorn Hegemony (mirror)
 * Imperator of Zeta-Atez
 * Khan Imperator