A bailiff (from Late Latin baiulivus, adjectival form of baiulus) is a governor or custodian (cf. bail); a legal officer to whom some degree of authority, care or jurisdiction is committed.
例1：She spent two hours in the courthouse lockup waiting for Judge Smith to call her case. When the case was finally called, a bailiff led her into the courtroom.
例2：She was taken to court for an arraignment by a bailiff.
法警長： Chief Bailiff
副法警長：Deputy Chief Bailiff