Some people didn't have homes at the time so they would pretty much become an indentured servant so they can have a place to live until their "Contract" was up.
It was a treaty where the Soviet republic of Russia signed peace with the German, Austrian and Ottoman empires and delivered the territories of Curonian Estonia, Finland, Poland, Lithuania, Livonia and Ukraine
They did it because they were being lied to about how there was no war happening and also they wanted piece because it was like the era of hippies, the people also wanted Vietnam to fight its own wars
---hope it helps
My information stated that many medival citizens (somtimes refered to peasents) had very poor living conditions and served unter a landowner