'Servitude' in the Bible

How solitary and lonely sits the city [Jerusalem]That was [once] full of people!How like a widow she has become.She who was great among the nations!The princess among the provinces,Has become a forced laborer!

Judah is gone into captivity because of affliction, and because of great servitude: she dwelleth among the heathen, she findeth no rest: all her persecutors overtook her between the straits.