Nehemiah 11:2 Kabbalah

וַֽיְבָרֲכ֖וּ הָעָ֑ם לְכֹל֙ הָֽאֲנָשִׁ֔ים הַמִּֽתְנַדְּבִ֔ים לָשֶׁ֖בֶת בִּירוּשָׁלִָֽם׃ (פ)

And the people blessed all the men that willingly offered themselves to dwell in Jerusalem.

Read kabbalistic (mystical) interpretation of Nehemiah 11:2: and classical mystical sources.