Treason Treason was the act of betraying one ' s country , , affiliation , or ally , usually to assist the enemy . One who committed this act was known as a traitor , and might be convicted as a criminal . Sometimes , a traitor was influenced by the enemy to commit such acts due to political or situational circumstances . Use of the term . Treason was one of the very few crimes punishable by death on in the 22nd century . ( ) Various Starfleet - related acts of treason and traitors have been uncovered throughout history . In 2365 , Worf told Geordi La Forge , who was being held captive by Pakled s , that it would be treasonous to give them classified tactical information . This was part of a ruse to rescue LaForge by making the Pakleds believe he was a weapons expert . ( ) In 2370 , Data told William T . Riker that he could not give orders because of the charges he faced upon his return from Arctus Baran ' s ship , having been declared a renegade . Treason was one of the charges he mentioned . ( ) Tom Paris was convicted of treason for his activities with the Maquis and sentenced to eighteen months ' imprisonment at the Federation Penal Settlement in New Zealand . ( ) , Lauren , Patrick and Sarina almost committed treason in 2374 , by trying to give Weyoun and Damar Starfleet battle plan s and fleet deployment s . ( ) The Female Changeling was determined that Damar " pay a price " for his treason against the Dominion . She ordered Weyoun to find Damar ' s wife and children . ( ) General Martok considered it treasonous to challenge Chancellor Gowron ' s leadership of the Klingon Empire in the middle of the Dominion War . ( ) Captain Braxton accused Captain Kathryn Janeway and Commander Chakotay of being traitors after they denied his story of being from the future to police officer Sims . ( ) " In 2259 of the alternate reality , asked Captain to beam him off the , noting that he had committed treason against Admiral by sabotaging the ship . " ( ) Known acts of treason . Khitomer conspiracy . See : Khitomer conspiracy Klingon Civil War . See : Klingon Civil War Known traitors to Starfleet . Admiral Cartwright . Admiral Cartwright was a high rank ing Starfleet official in the late 23rd century . Cartwright was part of the Khitomer conspiracy that arranged the assassination of Klingon chancellor Gorkon as he traveled to negotiate with the Federation President on Earth in 2293 . He was ultimately arrested for his involvement with the conspiracy . ( ) Valeris . Valeris was a Vulcan Starfleet officer who served aboard the as Conn Officer in 2293 . She played a major role in the Khitomer conspiracy aboard the " Enterprise " - A . Valeris was taken into custody and later charged with treason . ( ) Calvin Hudson . Lieutenant Commander Calvin " Cal " Hudson was attache to the Federation colonies in the Demilitarized Zone . After years of seeing the suffering and abuse of the colonists by the Cardassian s , he joined the Maquis , but was uncovered by Sisko . ( ) He was killed in a skirmish with the Cardassians after they allied with the Jem ' Hadar in 2373 . ( ) Stefan DeSeve . Stefan DeSeve was a Starfleet Ensign who had defected to the Romulan Star Empire in 2349 . In 2369 he returned to the Federation to face treason charges and , more importantly , to deliver a message from Spock about the Romulan underground movement . ( ) Ro Laren . Ro Laren was a Bajoran national who formerly served in Starfleet aboard the Federation starship before finally sympathizing with , and later joining , the Maquis . Her fate remains unknown . ( ) Michael Jonas . Michael Jonas was a former member of the Maquis , who subsequently joined the crew of the after being stranded in the Delta Quadrant . He secretly conspired with Seska , a Cardassian spy who defected to the Kazon - Nistrim , and ultimately tried to sabotage " Voyager " . Jonas was killed as he fell into a plasma fire , near " Voyager " s warp core . ( ) Michael Eddington . Michael Eddington was a Starfleet security officer assigned to space station Deep Space 9 during the late 24th century . Eddington became disillusioned with Starfleet and the Federation , and joined the Maquis . He was captured by his former commander , Benjamin Sisko , in mid - 2373 . Eddington was killed during a special operation while serving his sentence . He and Sisko were able to save several Maquis members from being killed , including his wife , Rebecca Sullivan . ( )