[anbende]

Except that it is in no way involuntary. It's never against your will, and its generally not for no pay. It's just long hours for low pay.

It's hard to see what you mean by involuntary here. It's a work for education arrangement, and the amount of work is large, but people are free to leave. It's a bad deal in a bad system, but its hardly involuntary.

[pmoriarty]

There's another term for it: wage slavery.

https://en.wikipedia.org/wiki/Wage_slavery

[icebraining]

Wage slavery is about all waged labour, not just those which involve low pay for long hours.