מִנִּי֮ שִׂ֣ים טְעֵם֒ דִּ֣י כָל־מִתְנַדַּ֣ב בְּמַלְכוּתִי֩ מִן־עַמָּ֨ה יִשְׂרָאֵ֜ל וְכָהֲנ֣וֹהִי וְלֵוָיֵ֗א לִמְהָ֧ךְ לִֽירוּשְׁלֶ֛ם עִמָּ֖ךְ יְהָֽךְ׃
I make a decree, that all they of the people of Israel, and their priests and the Levites, in my realm, that are minded of their own free will to go with thee to Jerusalem, go.
Read midrashic interpretation of Ezra 7:13: and classical rabbinic exegesis.