A person picked by the court to be the temporary personal representative of estate until the court names a permanent one. Special administrators have limited powers. Their powers end as soon as the court names a general personal representative.
a representative of a decedent appointed by the probate court to care for and preserve his estate until an executor or general administrator is appointed
a person assigned or appointed to act for a specific / special reason or to perform a specific duty for a particular time, person, object or class.