the protagonist's friend from trying to become a traveling merchant despite how freeing the idea can sound, exactly because it's worse than what he already has.
While MC's friend is somewhat poor, he still has citizenship, which means he can stay in a city for a long period of time, secured from outside threat, and always has a reliable source of clean water, something a traveling merchant need to worry constantly for their survival.
The guy even emphasizes that citizenship is so important, all traveling merchants place owning one as their objective.