Slave
/sleɪv/
noun
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.
An abject person.
verb
To work as a slaver, to enslave people.
To work hard.
“I was slaving all day over a hot stove.”
To place a device under the control of another.
“to slave a hard disk”