'Service' in the Bible
And he appointed, according to the ordinance of David his father, the courses of the priests to their service, and the Levites to their offices, to praise, and to minister before the priests, as the duty of every day required; the doorkeepers also by their courses at every gate: for so had David the man of God commanded.
Thy father made our yoke grievous: now therefore make thou the grievous service of thy father, and his heavy yoke which he put upon us, lighter, and we will serve thee.
Nevertheless they shall be his servants, that they may know my service, and the service of the kingdoms of the countries.
And the king and Jehoiada gave it to such as did the work of the service of the house of Jehovah; and they hired masons and carpenters to restore the house of Jehovah, and also such as wrought iron and brass to repair the house of Jehovah.
And also the burnt-offerings were in abundance, with the fat of the peace-offerings, and with the drink-offerings for every burnt-offering. So the service of the house of Jehovah was set in order.
And Hezekiah spake comfortably unto all the Levites that had good understanding in the service of Jehovah. So they did eat throughout the feast for the seven days, offering sacrifices of peace-offerings, and making confession to Jehovah, the God of their fathers.
And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, both the priests and the Levites, for burnt-offerings and for peace-offerings, to minister, and to give thanks, and to praise in the gates of the camp of Jehovah.
besides them that were reckoned by genealogy of males, from three years old and upward, even every one that entered into the house of Jehovah, as the duty of every day required, for their service in their offices according to their courses;
And in every work that he began in the service of the house of God, and in the law, and in the commandments, to seek his God, he did it with all his heart, and prospered.
Also they were over the bearers of burdens, and set forward all that did the work in every manner of service: and of the Levites there were scribes, and officers, and porters.
And he set the priests in their offices, and encouraged them to the service of the house of Jehovah.
So the service was prepared, and the priests stood in their place, and the Levites by their courses, according to the king's commandment.
And the singers the sons of Asaph were in their place, according to the commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; and the porters were at every gate: they needed not to depart from their service; for their brethren the Levites prepared for them.
So all the service of Jehovah was prepared the same day, to keep the passover, and to offer burnt-offerings upon the altar of Jehovah, according to the commandment of king Josiah.