sheriff
noun
[ ˈʃɛrɪf ]
• (in England and Wales) the chief executive officer of the Crown in a county, having various administrative and judicial functions.
• (in Scotland) a judge.
• an elected officer in a county, responsible for keeping the peace.
• an officer of the Supreme Court who enforces judgements and the execution of writs.
Origin:
Old English scīrgerēfa (see shire, reeve1).