wage slave

Short definition from Wiktionary

Noun

1. 1
   Someone who works for wages and has little to no professional autonomy.
2. 2
   Someone who does very unpleasant or drudging work for a wage.

Verb

1. 1
   To work for minimal wages while having little to no professional autonomy.
2. 2
   To perform very unpleasant or drudging work for a wage.