faction

noun4

1. •
   A group of people, especially within a political organization, which expresses a shared belief or opinion different from people who are not part of the group.

   • Real factions may be divided into those from interest, from principle, and from affection — 1748
2. •
   A form of literature, film etc., that treats real people or events as if they were fiction; a mix of fact and fiction.
3. •
   Strife; discord.

   • Publick [sic] affairs soon fell into the utmost confusion, and in this state of faction and perplexity, the island continued, until its re-capture by the French in 1779. — 1805
4. •
   The facts found in fiction.