bailiff

Definition from Nolo’s Plain-English Law Dictionary

1) A court official, usually a peace officer or deputy sheriff, who keeps order in the courtroom and handles errands for the judge and clerk. 2) In some jurisdictions, a person appointed by the court to handle the affairs of an incompetent person or to be a keeper of goods or money pending further order of the court.

Definition provided by Nolo’s Plain-English Law Dictionary.