What are the circumstances of Gulliver's eventual freedom?

After many different plead, the council to the king decides that Gulliver can be let go. The only man to oppose finally agrees when they let him draw up the methods by which Gulliver will eventually be set free. Then that man, a Skyreah Bolgolam, brings the articles to Gulliver. After they are read, Gulliver is to swear to them, in exchange for his freedom.