The word "faction" refers to a small group of people who share the same beliefs or interests. It can also describe a disagreement or conflict between different groups within a larger organization or community. Full definition
The new digital currency bitcoin cash is the result of an ongoing debate between different factions of the bitcoin community on how to best scale the bitcoin network. (bitcoinafrica.io)
Play Your Way: Choose one of several factions in a massive war that's sweeping the land and determine who will come out on top. (gaminginstincts.com)
Other than a bit of light farming (for faction rep rather than gear) everything I've done in game has been with someone else. (thesixthaxis.com)