Whenever she was restless she dodged her thoughts by the familiar vagabond fallacy of running away from them, of moving on to a new place, and thus she persuaded herself that she was tranquil.
There are no more uses of "vagabond" in the book.
Show samples from other sources
When Mae was close enough to make out their faces, she could see they were clean, tidy—she’d feared their clothing would confirm what their vessel implied, that they were not just waterborne vagabonds, but dangerous, too.
Dave Eggers -- The Circle
Call me a dandy if you will, but just because the villagers won’t remember what you wear doesn’t give you license to dress like a vagabond!"
Ransom Riggs -- Miss Peregrine’s Home for Peculiar Children