I believe justice is basically one who is willing to sacrifice what he/she believes in or holds dear for the greater good.
When people get what they deserve
There are some good people. who are selfless
Fate / Stay Night
Fate/stay night (フェイト／ステイナイト, Feito／sutei naito?) is a Japanese eroge visual novel game created by TYPE-MOON, which was originally released on January 30, 2004. It is TYPE-MOON's first commercial work, following its transition from a doujin soft visual novel group.
Archer
His belief that he would continue to save many people as a Heroic Spirit did happen, but it was through being made to clean up after human actions and forced to take many lives to save humanity as a whole, instead of "saving everyone" - protecting humans without having to cause deaths of humans as he would have liked to. After seeing human self-destruction and forced to oppose his own ideals countless times, he began to deny himself and his ideal.
Archer desperately came to believe that his only hope of release was to have himself summoned into an era where Shirou Emiya exists and kill his past self, hoping that the double paradox created by Shirou Emiya being killed before having a chance to make the contract with Alaya and that the killing was done by a Shirou Emiya who successfully made the contract with the world would create a time paradox great enough in magnitude that could potentially erase his existence as a Counter Guardian
His personality is very contradicting. While he is thoroughly cynical and nihilistic, he is at the same time devoted and protective, and even a little childish to the point that it makes him hard to hate. He doesn't lie, but he does keep secrets and tell half truths. He means well and is capable of being nice, but often ends up being sarcastic, especially so when he gives advice. He cannot approve of Shirou’s ideal of becoming a Hero of Justice due to his own experience, but at the same time he cannot deny it due to the same reasons.
Shirou
Due to the trauma he suffered during the great fire, Shirou has a constant emptiness in his personality and suffers from tremendous survivor's guilt. He feels that, as the only survivor, it is unfair to the deceased to prioritize his own needs before those of others. He has a distorted sense of values where he only finds self-worth from helping people without any compensation, feeling that the very act “helping people” is its own reward. He believes it is highly unfair that some people survive and others don't. When it comes down to receiving an injury or even giving up his life to help someone, he will do it without a second thought. The people who see this side of him are often very worried and attempt to correct his behavior, though they are unable to change his opinions. Kiritsugu often talked about how he used strive to protect the innocent from the world's many perils, even at the cost of his own humanity, and how he was saddened by the reality that whenever he was able to spare one life, another person was fated to die.
Shirou is extremely stubborn once he sets out to accomplish something, such as spending hours attempting to perform a high jump that is nearly impossible for him. This action, as watched by Rin and Sakura, is one of the initial factors that causes them both to develop feelings for Shirou. He will stubbornly defend his own viewpoints, no matter how wrong they may seem to others, even to the point of causing them great mental anguish. Though he does his best to help others, if he feels that a person brought about their own ruin, he will simply watch instead of helping. Nasu has stated that Shirou and Shiki Tohno would definitely get along badly.
