Traitors of the NCR

The Traitors of The New Clone Republic

Ukzan Libra
Ukzan Libra was a smuggler who swore themselves to the New Clone Republic. However, she betrayed them when given the opportunity by the new sith empire.

Likae Narik
While he was not necessarily a traitor, he was a former Jedi turned sith, padawan of General Mira Osaz, he became the traitorous sith Darth Renan.