approver noun¹.Also apprower. LME-M18.
[Anglo-Norman aprouour, formed as APPROVE verb¹ + -OUR; suffix later interpreted as and replaced by -ER¹.]
A person who manages land for the owner; a steward or bailiff; an agent in any business.

[TahlilGaran] English Dictionary ▲

approver noun². [ǝ'pru:vǝ] LME.
[from APPROVE verb² + -ER¹. Cf. Old French aproveur.]
1. A person who proves or offers to prove another guilty, an informer; latterly spec. one who turns King's, Queen's, or State's evidence. Now arch. & Hist. LME.

2. A person who proves, tests, or tries someone. M16-L17.

3. A person who confirms, sanctions, pronounces good, or commends something. M16.

[TahlilGaran] English Dictionary ▲