Royal Arch

where did the office of scribe ezra come from in the royal arch and what are his duties

The presence of Scribe Ezra in the Chapter arises from biblical tradition, though placing him at the laying of the second Temple's foundation involves a recognized historical anachronism. Albert C. Mackey points out that the biblical Ezra did not travel to Jerusalem until decades after Zerubbabel, Joshua, and Haggai began rebuilding the Temple. Early ritual compilers likely confused him with the earlier Ezra recorded in Nehemiah, or intended Esdras—as George Oliver suggested in an effort to reconcile the timeline—creating a historical discrepancy perpetuated in English working.

MackeyWilmshurst