warrener
One who farms or hunts rabbits professionally; the keeper of a warren
[H]e is as tall a man of his hand, as any is betweene this and his head: he hath fought with a Warrener.
Where it comes from
From Middle English warenner, warner, from Anglo-Norman warennier, variant of garennier; equivalent to warren + -er.
Adapted from the Wiktionary entry warrener (CC BY-SA 4.0).