UNDERSECRETARY
undersecretary
(noun) a secretary immediately subordinate to the head of a department of government
Source: WordNet® 3.1
Etymology
Noun
undersecretary (plural undersecretaries)
An administrator immediately subordinate to a head of a government department or to a member of a cabinet
Source: Wiktionary
Un`der*sec"re*ta*ry, n.
Definition: A secretary who is subordinate to the chief secretary; an
assistant secretary; as, an undersecretary of the Treasury.
Source: Webster’s Unabridged Dictionary 1913 Edition