To get to work; to focus on a task.
To submit; knuckle under.
To work hard.
To work as a slaver, to enslave people.
To place a device under the control of another.
A sex slave, a person who is forced against their will to perform, for another person or group, sexual acts on a regular or continuing basis.
An abject person.
A submissive partner in a BDSM relationship who (consensually) submits to (sexually and/or personally) serving one or more masters or mistresses.
A device (such as a secondary flash or hard drive) that is subject to the control of another (a master).
A person who is held in servitude as the property of another person, and whose labor (and often also whose body and life) is subject to the owner's volition and control.
A drudge; one who labors or is obliged (e.g. by prior contract) to labor like a slave with limited rights, e.g. an indentured servant.
One who has no power of resistance (to something), one who surrenders to or is under the domination (of something).