1. Conditional antagonism
[Nouns] party, faction, side, denomination, communion, set, crew, band, horde, posse, phalanx; family, clan, [more]; team; tong.
community, body, fellowship, sodality, solidarity; confraternity; familistere, familistery; brotherhood, sisterhood.
knot, gang, clique, ring, circle; coterie, club, casino; machine; Tammany, Tammany Hall [U.S.].
corporation, corporate body, guild; establishment, company; copartnership, partnership; firm, house; joint concern, joint-stock company; cahoot, combine [U.S.], trust.
society, association; institute, institution; union; trades union; league, syndicate, alliance, Verein, Bund, Zollverein, combination; Turnverein; league offensive and defensive, alliance offensive and defensive; coalition; federation; confederation, confederacy; junto, cabal, camarilla, camorra, brigue; freemasonry; party spirit (cooperation) [more].
Confederates, Conservatives, Democrats, Federalists, Federals, Freemason, Knight Templar; Ku Klux Klan, KKK; Liberals, Luddites, Republicans, Socialists, Tories, Whigs
staff; dramatis personae.
bonded together, banded together, linked (joined) [more] together; embattled; confederated, federative, joint.