What does Nehemiah 10:26 mean?

Hoshea, Hananiah, Hasshub,

Hallohesh, Pilha, Shobek,

Rehum, Hashabnah, Maaseiah,

Malluch, Harim, and Baanah.

The rest of the people, the priests, the Levites, the gatekeepers, the singers, the temple servants, and all those who had separated themselves from the peoples of the lands to the law of God, their wives, their sons, and their daughters, everyone who had knowledge, and understanding—

they joined with their brothers, their nobles, and entered into a curse, and into an oath, to walk in God’s law, which was given by Moses the servant of God, and to observe and do all the commandments of Yahweh our Lord, and his ordinances and his statutes;