Answer: Cognitive dissonance.
Cognitive dissonance is experienced by someone who simultaneously holds two or more contradictory beliefs, ideas, or values, and it's somehow incoherent. The person
performs an action that is contradictory to their personal beliefs, ideals, and
values.
This person is called a partisan, which is a strong supporter of a party, cause, or person. This website may help you while studying: https://www.quia.com/jg/744289list.html
Answer: Dissenting Opinion
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Usually when decision is written, justices can write a concurring opinion if they would like to add something to the decision or if they agree with the decision, but disagrees with the reasoning. On the other hand, if they do not agree with the majority (aka the decision), they can write a dissenting opinion.