'Labor' in the Bible

and Ahishar was over the household; and Adoniram the son of Abda was over the men subject to forced labor.

He sent them to Lebanon, ten thousand a month by courses; a month they were in Lebanon, and two months at home; and Adoniram was over the men subject to forced labor.

The man Jeroboam was a mighty man of valor; and Solomon saw the young man that he was industrious, and he put him in charge of all the labor of the house of Joseph.

Then king Rehoboam sent Adoram, who was over the men subject to forced labor; and all Israel stoned him to death with stones. King Rehoboam made speed to get him up to his chariot, to flee to Jerusalem.