'Labor' in the Bible

“Is not man forced to labor on earth,And are not his days like the days of a hired man?

‘Is it right for You indeed to oppress,To reject the labor of Your hands,And to look favorably on the schemes of the wicked?

“They kneel down, they bring forth their young,They get rid of their labor pains.

“Will you trust him because his strength is greatAnd leave your labor to him?

“She treats her young cruelly, as if they were not hers;Though her labor be in vain, she is unconcerned;