A bear-leader was formerly a man who led bears about the country. In the Middle Ages and Tudor times these animals were chiefly used in the brutal sport of bear-baiting and were led from village to village. Performing bears were also common; their keepers were generally Frenchmen or Italians. Later, the phrase `bear-leader` came colloquially to ..... Found on http://en.wikipedia.org/wiki/Bear-leader
[guide] In the 18th and 19th centuries, a bear-leader was a colloquialism for a man who escorted young men of rank or wealth on their travels, such as young gentlemen on the Grand Tour. The role of bear-leader blended elements of tutor, guardian, chaperon and companion. A late example in literature can be seen in the ambitious Oxford tutor ... Found on http://en.wikipedia.org/wiki/Bear-leader_(guide)