As stated in the other answer, Gulliver is practical enough to cooperate with the Lilliputians for his own survival. But there are several other reasons for his willing cooperation.
First, the Lilliputians are tiny creatures, standing at only six inches tall. They seem delicate and innocent to Gulliver, like dainty little dolls. Like many people, he mistakes physical beauty for moral beauty or virtue. It takes him awhile to realize that although they look good on the outside, the Lilliputians are not good inside. Instead, they are petty, vain, and violent. Swift is satirizing the human tendency to confuse appearance with reality and the undeserved favor people who are beautiful receive.
Second, as we will learn throughout, Gulliver is, as his name implies, gullible, and he tends to take what he hears as truth. It is his nature to make quick judgments and accept...
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