rivers and lakes; all corners of the country; the world at large
[underworld]
the section of society operating outside of mainstream life and the law, often associated with traveling merchants, entertainers, martial artists, or gangs
retirement
the countryside or remote areas to which scholars or officials retired to live as hermits
itinerants
traveling performers, fortune tellers, or quacks who wander the country
street-wise
sophisticated, shrewd, or worldly due to long experience in society; experienced in the ways of the world