Choose the word which is different from the rest.

Equity
Fairness
Partiality
Justice

The answer is C. Partiality.

Equity, fairness, and justice are all closely related concepts, but they have distinct meanings. Equity is the quality of being fair and impartial. Fairness is the quality of being just and impartial. Justice is the quality of being fair and impartial in the administration of law.

Partiality is the quality of being biased or prejudiced. It is the opposite of fairness and impartiality.

In the context of the question, partiality is the only word that does not describe a quality that is desirable in a legal system. A legal system should be fair and impartial, not biased or prejudiced.