The Administrator of an estate is a legal term referring to a person appointed by a court

Court

A court is a form of tribunal, often a governmental institution, with the authority to adjudicate legal disputes between parties and carry out the administration of justice in civil, criminal, and administrative matters in accordance with the rule of law...

 to administer the estate

Estate (law)

An estate is the net worth of a person at any point in time. It is the sum of a person's assets - legal rights, interests and entitlements to property of any kind - less all liabilities at that time. The issue is of special legal significance on a question of bankruptcy and death of the person...

 of a deceased person who left no will

Will (law)

A will or testament is a legal declaration by which a person, the testator, names one or more persons to manage his/her estate and provides for the transfer of his/her property at death...

. Where a person dies intestate, i.e., without a will, the court may appoint a person to settle their debts, pay any necessary taxes and funeral expenses, and distribute the remainder according to the procedure set down at law. Such a person is known as the administrator of the estate and will enjoy similar powers to those of an executor

Executor

An executor, in the broadest sense, is one who carries something out .-Overview:...

 under a will. A female administrator may be referred to as an administratrix, although this sex-specific term is obsolete under modern presumptions about equality between sexes

Distinction without a difference

A distinction without a difference is a type of argument where one word or phrase is preferred to another, but results in no difference to the argument as a whole. It is particularly used when a word or phrase has connotations associated with it that one party to an argument prefers to avoid....

and may be considered insulting.