Have you heard of wage slavery, where people use the term to focus on similarities between slavery and wage like owning and renting a person
I have.  But I do not know a lot about it.  Can you explain?
People generally use it when referring to situations where a person's well being depends on wagers or salary, maybe like someone who lives pay check to pay check
So it is basically when the employees have all of the control and the little guys (employees) are at their mercy
Yes, it has been going on for a long time, there are a lot of the similarities between wage labor and slavery as early as Cicero in Ancient Rome! 
Cicero was one of the people against Julius Ceaser right?
Yep, he was a Roman Politician and Lawyer as well
I used to watch a show called Rome on HBO and he was featured on it
Rome (TV series)
Rome is a British-American-Italian historical drama television series created by John Milius, William J. MacDonald, and Bruno Heller. The show's two seasons were broadcast on HBO, BBC Two, and Rai 2 between 2005 and 2007. They were later released on DVD and Blu-ray. "Rome" is set in the 1st century BC, during Ancient Rome's transition from Republic to Empire.
The series features a sprawling cast of characters, many of whom are based on
thing in the world. Most people exist, that is all".
Within anarchism, the concept of wage slavery refers to a situation perceived as quasi-voluntary slavery, where a person's livelihood depends on wages, especially when the dependence is total and immediate. It is a negatively connoted term used to draw an analogy between slavery and wage labor by focusing on similarities between owning and renting a person. The term "wage slavery" has been used to criticize economic exploitation and social stratification, with the former seen