'Scribe' in the Bible

Rehum the chancellor and Shimshai the scribe wrote a letter against Jerusalem to Artaxerxes the king in this sort:

then wrote Rehum the chancellor, and Shimshai the scribe, and the rest of their companions, the Dinaites, and the Apharsathchites, the Tarpelites, the Apharsites, the Archevites, the Babylonians, the Shushanchites, the Dehaites, the Elamites,

Then'sent the king an answer unto Rehum the chancellor, and to Shimshai the scribe, and to the rest of their companions that dwell in Samaria, and in the rest of the country beyond the River: Peace, and so forth.

Then when the copy of king Artaxerxes letter was read before Rehum, and Shimshai the scribe, and their companions, they went in haste to Jerusalem unto the Jews, and made them to cease by force and power.

this Ezra went up from Babylon: and he was a ready scribe in the law of Moses, which Jehovah, the God of Israel, had given; and the king granted him all his request, according to the hand of Jehovah his God upon him.

Now this is the copy of the letter that the king Artaxerxes gave unto Ezra the priest, the scribe, even the scribe of the words of the commandments of Jehovah, and of his statutes to Israel:

Artaxerxes, king of kings, unto Ezra the priest, the scribe of the law of the God of heaven, perfect and so forth.

And I, even I Artaxerxes the king, do make a decree to all the treasurers that are beyond the River, that whatsoever Ezra the priest, the scribe of the law of the God of heaven, shall require of you, it be done with all diligence,