Jobber

The deponent, in the course of negotiation for sundry jobs, expressed his curiosity repecting the Habits and Life of the Knights of the Thimble, when the jobber to the Nobility and Gentry kindly volunteered to accompny him on a round to some of the great shops of the west.

Source: wiktionary

Every person who shall keep any boat for the purpose aforesaid without having such license, and every owner of, or other person who shall be employed or shall ply for hire in any such boat within the limits aforesaid without having such license or wearing such badge as aforesaid, and every person who shall offer himself as a porter or jobber within the said town of Saint George without having such license or wearing such badge aforesaid, shall, for every such offence, forfeit and pay a penalty not exceeding forrty shillings.

Source: wiktionary

The jobbing clerk immediately upon receipt of the ticket minuted it properly in the book, and, upon looking at the annunciator, saw that it showed no jobbers in the waiting room; he went at once to the waiting room, but found no one there; he then returned to his own room and called down the speaking-tube to the basement for a jobber, but was told by the boiler tender that no jobber was there. The foreman of the jobbing department was then at his desk, but the clerk did not call his attention to the fact of the complaint or to his failure to find a jobber, nor did he make any further effort to find a jobber or to mention the complaint to any one until about 11.35, when he again called to the basement for a jobber, and ordered the first one who came in to be sent up.

Source: wiktionary

In the Mills there existed a usage under which a worker was first appointed as a Cleaner then an Oiler and thereafter promoted as a Jobber.

Source: wiktionary