Usage examples for labour:

• Before I left for America I saw the growing power and strength of the Labour Party. "An Autobiography" – Catherine Helen Spence

• Reform is the result of years of labour "The Gun-Brand" – James B. Hendryx

• But Bonaparte held the liberty of the press in the greatest horror; and so violent was his passion when anything was urged in its favour that he seemed to labour under a nervous attack. "The Project Gutenberg Memoirs of Napoleon Bonaparte" – Bourrienne, Constant, and Stewarton

• Besides, if you've got to employ labour it's just as well to know from experience what's a fair thing to expect from a man as a day's work. "Back To Billabong" – Mary Grant Bruce