The word "arraigned" refers to the act of formally accusing someone of a crime in a law court and asking them to enter a plea of guilty or not guilt.

In this context, the people impersonating tax officials were brought before the Chief Magistrate to face legal charges.

The word "brought" captures the idea of presenting or bringing someone before a court or authority to face legal proceedings.

Therefore, "brought" is the option that best aligns with the meaning of "arraigned" in this sentence.