perquisitor
noun
per·quis·i·tor
(ˌ)pərˈkwizətə(r)
plural -s
1
: the original owner or first purchaser of an estate
2
: one who makes a perquisition
Word History
Etymology
Medieval Latin & Latin; Medieval Latin, one that obtains or acquires, from Latin, one that searches diligently, from perquisitus + -or