'Task' in the Bible

And the officers of the children of Israel, whom Pharaoh's taskmasters had set over them, were beaten, and it was said, Why have ye not fulfilled your task in making brick, both yesterday and to-day, as heretofore?

that they may judge the people at all times; and it shall be that they shall bring to thee every great matter, and that they shall judge every small matter, and they shall lighten the task on thee, and they shall bear it with thee.

When I thought to be able to know this, it was a grievous task in mine eyes;