וּפְתַֽחְיָ֨ה בֶּן־מְשֵֽׁיזַבְאֵ֜ל מִבְּנֵי־זֶ֤רַח בֶּן־יְהוּדָה֙ לְיַ֣ד הַמֶּ֔לֶךְ לְכָל־דָּבָ֖ר לָעָֽם׃
And Pethahiah the son of Meshezabel, of the children of Zerah the son of Judah, was at the king’s hand in all matters concerning the people.
Rashi on Nehemiah
at the king’s hand He was privy to King Darius’s counsel.
Rashi on Nehemiah
for every matter for every matter that concerned the people, to speak to the king on their behalf.