undersecretary

noun
1
(in the UK) a senior civil servant in charge of one part of a government department
معاون وزیر, قائم‌مقام وزیر
compare Permanent Undersecretary
2
(in the UK) a junior minister who works for the minister in charge of a government department
معاون وزیر
3
(in the US) an official of high rank in a government department, directly below a member of a cabinet
معاون وزیر