1) Authority 2) Budget decider 3) Designated hitter finder 4) Distributor 
[C++] In C++ computer programming, allocators are an important component of the C++ Standard Library. The standard library provides several data structures, such as list and set, commonly referred to as containers. A common trait among these containers is their ability to change size during the execution of the program. To achieve this, som...
object used by standard library containers to allocate and deallocate memory. TC++PL 19.4.
[n] - a person with authority to allot or deal out or apportion
noun a person with authority to allot or deal out or apportion