The Fairness (or Justice) Approach states "Treat people the same unless there are morally relevant differences between them."
Fair and equitable distribution of good and harm, and/or the social benefits and and social costs, across people in society.
Fairness requires consistency in the way people are treated.
The principle states: TO BE FAIR TO ALL (is ethical) - Social Justice = to be ethical the outcome needs to be fair, inclusive and non-discriminatory.
This is our hero called "Koro". Out hero "Koro" demonstrate a judge. A judge looks at the evidence and reasoning of both people present in the court fairly. The judge's job is to serve justice by rendering a fair impartial decision on the issue.