slave

US /sleɪv/
UK /sleɪv/
"slave" picture
1.

a person who is the legal property of another and is forced to obey them.

:
Historically, many people were forced to live as slaves.
The abolition of slavery was a major step forward for human rights.
2.

a person who is excessively dependent on or controlled by something.

:
He's a slave to his work, always staying late at the office.
Many people become slaves to technology, constantly checking their phones.
1.

work very hard without proper remuneration or appreciation.

:
I had to slave away all weekend to finish the project.
She slaved over the hot stove for hours preparing dinner.