Marshal
a civil officer appointed by the President in each judicial district, and answering to the sheriff of a county.
His duty is to execute all precepts directed to him, issued under the authority of the United States. Sometimes police officers in American cities are known as marshals. In some European countries the title of marshal confers the highest military distinction, that of Marshal of France being especially prized. Earl Marshal of England, the eighth officer of state; the title is hereditary, being held by the Duke of Norfolk.