n. one who executes or performs; doer
He was appointed to act as the executor.
Sentence in Classic:
And although one may not discuss Moses, he having been a mere executor of the will of God, yet he ought to be admired, if only for that favour which made him worthy to speak with God.
The Prince By Nicolo Machiavelli Context
Wilson were executors, he bequeathed a very considerable amount of property, both here and in England to little Pearl, the daughter of Hester Prynne.
The Scarlet Letter By Nathaniel Hawthorne Context