Should he give testimony against a Muslim who wronged a Christian and took his wealth unlawfully, or should he conceal his wrongdoing?

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Check below answers in case you are looking for other related questions:
Ruling on covering up for someone who committed sin
Why is the witness of one man considered to be equal to the witness of two women?

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Related Answers:
He is outwardly Muslim but he rarely attends the mosque; should we think badly of him?
He gave false witness – what should he do?
Should she testify to something that she has not been asked for but that may benefit the person against whom she is testifying?
Ruling on covering up for someone who committed sin
Why is the witness of one man considered to be equal to the witness of two women?

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