noun

executor

ig-ZEK-yuh-ter/ɪɡˈzekjətər/

Someone or something responsible for carrying out instructions.

The executor distributes the house keys and watch to the heirs.

An appointed older professional distributing a deceased relative's house keys and heirloom watch to two adult heirs at a desk, closed plain will folder and family photograph with black mourning ribbon, no writing.

Etymology

An executor is literally someone who carries something out. In this legal sense, the task is to put a will into effect, fulfilling its instructions.

In context

The 1928 Club68:37

The wicked Colonel’s will has left his Diamond as a birthday present to my cousin Rachel,” says Mr. Franklin. “And my father, as the wicked Colonel’s executor, has given it in charge to me to bring down here.

The Moonstone by Wilkie Collins | Part 1: The Loss of the Diamond | Full Audiobook

More examples

As executor of the will, Maya pays the estate's debts.
The software uses an executor to run tasks in the background.
Executors must follow the instructions they are given.

Forms

executor · executors

execute verb — To carry out instructions or a plan.

execution noun — The act of carrying out a plan.

Similar words

implementer: Puts plans into practice, without necessarily having legal authority.
administrator: Manages ongoing affairs rather than simply carrying out instructions.