Labour - (noun)
(1) Productive work, usually done for payment. (2) Working people in general. (3) The British Labour Party. (4) The act of a mother giving birth.
Source: Adapted from definitions.net
Example of Use: (1) They were paid poorly for their labour. (2) Trade unions represent the interests of labour. (3) Labour did better in the elections than they had expected.(4) Her employer asked to come into work just a few days after being in labour.