I joust found an excellent article about the role of Precinct Committeeman, what it is, and why it matters.
What is a Precinct Committeeman
“A Republican Precinct Committeeman represents the GOP voters of his or her precinct at the County Republican Party level.
“But most importantly, a Republican Precinct Committeeman is the face of the GOP within the precinct. In many cases, a Republican Precinct Committeeman might be the only party official a voter ever meets in person.” Read More…