I'm using "master" in memoryview because of the audio connotation ("the
source from which all copies will be produced"):
https://en.wikipedia.org/wiki/Audio_mastering
The ManagedBufferObject is literally the source from which all views
are produced.
Conductors are sometimes called "Maestro", there are chess grandmasters,
Tiger Woods won the Masters Tournament, Art Tatum is called a master
pianist, millions of people hold a master's degree.
The term "master" has so many positive connotations that I think it is
misguided to effectively eliminate it from the current English language.