AAn unwelcome person
BProfessionals who need not be tipped for their services
CA secret identity
DList of people in a play
Correct Option: 1
Explanation:
An unwelcome person
Under the Vienna Convention on Diplomatic Relations, a receiving State may "at any time and without having to explain its decision" declare any member of a diplomatic staff persona non grata. A person so declared is considered unacceptable and is usually recalled to his or her home nation.
