Agistor
From BiblePortal Wikipedia
Agistor [1]
(1): (n.) Now, one who agists or takes in cattle to pasture at a certain rate; a pasturer.
(2): (n.) Formerly, an officer of the king's forest, who had the care of cattle agisted, and collected the money for the same; - hence called gisttaker, which in England is corrupted into guest-taker.