executor
//ɪɡˈzɛkjʊtər//
Noun
executorSingular
executorsPlural
1
A person appointed by a testator to carry out the terms of their will after their death.
She was named as the executor of her father's will.
2
A person or entity that carries out or puts into effect a plan, order, or course of action.
She was the main executor of the company's expansion plan.