Forester
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A sworn officer of the forest, appointed by the king's letters patent to walk the forest, watching both the vert and the venison, attaching and presenting ali trespassers against them within their own bailiwick or walk. These letters patent were generally granted during good behavior ; but sometimes they held the office in fee.
Blount.