The word "cabal" refers to a small group of people who work together secretly to achieve their own goals or gain power, often using deceitful or manipulative methods. Full definition
And while there might be a kind of cabal of particularly rich boosters who direct operations at private meetings, there aren't dungeons and robes or some kind of «X-Files» syndicate in a smoky boardroom. (sbnation.com)
Even the primary mission objective that I recall playing should be instantly familiar to fans of the original Destiny: fight against three waves of Cabal in increasingly difficult configurations. (wccftech.com)
And I'm also glad that no - one called you a liar merely because you were an airline pilot; that no - one sent you death threats (I presume) because you were an airline pilot; that no - one subpoenaed your e-mails because you were an airline pilot; that no - one claimed that you as a pilot were attempting to tear down our culture and civilization at the behest of a shadowy cabal with incomprehensible (but evil) motives. (realclimate.org)