1. labour
2. toil, work, labour
3. working class, proletariat, class, social class, socio-economic class, parturiency
4. labour, confinement, lying-in, travail, childbed, parturition, birth, giving birth, birthing, labor movement
5. trade union movement, reform movement, Labour Party
6. Labour, Labor Party, Labor, party, political party, Department of Labor
7. Labor Department, Labor, DoL, executive department, undertaking

1. project, task, work, tug
2. labour, push, drive, fight, struggle, labour
3. toil, fag, travail, grind, drudge, dig, moil, work, do work, labour
3. experience, receive, have, get, undergo