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A Deferi Female.
A Deferi Male.
A monument on Defera, emphasizing the Deferi's preference for Balance

Originating from Defera in the Defera System, the Deferi are a neutral non-playable faction in Star Trek Online.

The Deferi play an important role in the Cold War Feature Series, where they are endangered by the Breen. They are also under threat from the Borg, with the Deferi homeworld facing direct invasion by the Collective.

Physical features[edit]

Deferi have a range of light green skin tones. Their skull cranium is pronounced, while the nose is relatively flat for humanoid species. Females and Males differ in some regards. While Males seem to have reptilian slit eyes, Females have more humanoid looking pupils. Also, females have a very pronounces bony ridge on their foreheads, spanning from the nose bridge up to the cranium.


The Deferi hold equality in high esteem. In fact their ideology is based on the Balance, an universal value they strive for with every action they take.

In Deferi space there a lot of ruins from an ancient race called the Preservers. This humanoid species is supposed to be the origin for the abundance of humanoid species in the Milky Way. Their advanced technology is what attracts the Breen to Deferi worlds, although up to now, neither the Deferi nor anyone else has learned, how and if this knowledge can be recovered.


The Deferi aided the fleet of Klingon Chancellor Mow'ga when it was damaged exploring the Badlands. Since then they maintain diplomatic relations with the Klingon Empire. They also participated in trade negotiations with the Federation, but until now they choose to remain neutral to both factions.


Government policies are based on polls, so the whole population is directly involved in all major decisions. Officials can always be instated and removed by majority votes as well.

To preserve balance, the Deferi have tried to keep to themselves and not to pursue an affiliation with any major power. However, the growing population on Defera has forced the Deferi to expand and become a space-faring civilization. In turn, contact with other species has recently increased.



Missions involved[edit]


See List of Deferi NPCs

Duty officers[edit]

See List of Deferi duty officers


  • As revealed in “Trade Deal”, the Deferi possessed at least one planet near the Rigelian homeworld Rigel V.
  • Daniel Stahl repeatedly stated in interviews that the inspiration for the Deferi came from the Capellans of the original Star Trek episode "Friday's Child"
  • The Deferi are technically not a faction, since they have no dedicaded faction symbol assigned to them in-game (they belong to the Generic faction).

External links[edit]

Quick Faction Navigation Toolbar (ordered by quadrant)

α Faction Breen.png Faction Cardassian.png Faction Deferi.png Faction Federation.png Faction Ferengi.png Faction Tholian.png Faction True Way.png
β Faction Federation.png Faction Gorn.png Faction Klingon.png Faction Nausicaan.png Faction Orion.png Faction Romulan Republic.png Faction Romulan Star Empire.png Faction Reman.png Faction Vulcan.png
Δ Faction APU (Cravic).png Faction APU (Pralor).png Faction Benthan.png Faction Borg.png Faction Cooperative.png Faction Hazari.png Faction Hierarchy.png Faction Hirogen.png Faction Kazon.png Faction Kobali.png Faction Malon.png Faction Ocampa.png Faction Octanti.png Faction Talaxian.png Faction Turei.png Faction Vaadwaur.png Faction Voth.png
others Faction Bluegill.png Faction Monster.png Faction Devidian.png Faction Dominion.png Faction Elachi.png Faction Fek'Ihri.png Faction Iconian.png Faction Terran Empire.png Faction Undine.png