coping with opposing a friend theme

A character is morally compelled to oppose and jeopardize their friendship with someone who is acting badly.

Examples

Captain Kirk coped with opposing his longtime friend Gary Mitchell, who became an imminent danger to the crew after acquiring super powers, in tos1x01 "Where No Man Has Gone Before".

21 total · 13 major · 8 minor

StoryLevelMotivation
bbf3x10 major rebel lieutenant regretted killing former friends
bbf4x15 major Sheridan and his friend commanders had to oppose each other
bbf4x20 major Sheridan had to oppose his old friends and mentors
ds93x19 major Benjamin might have had to oppose his mirror universe wife Jennifer because she was a Klingon/Cardassian Union agent
ds93x24 major Kira with having to convince her old friends to return the soil reclamators to the Bajoran government
ds94x16 major Rom did not like opposing his brother
ldr2019e4x07 major Mei had to fight a deadly fight with her own lover and only narrowly managed to spare the woman's life.
movie: Star Wars: Episode III - Revenge of the Sith (2005) major Obi-Wan had to oppose and fight his apprentice Anakin.
movie: X-Men Last Stand (2006) major Logan has to kill his love Jean to save the world.
movie: X-Men Origins: Wolverine (2009) major Logan has to oppose his own half-brother who was turning evil.