That's what exploitation is. You see people in a bad situation, and think "oh hey, I can profit from that." Exploitation (usually) isn't slavery, and most people who are exploited voluntarily enter into that relationship.
From https://dictionary.cambridge.org/dictionary/english/exploita...
exploitation noun [U] (UNFAIR TREATMENT)
the act of using someone or something unfairly for your own advantage:
exploitation of Marx wrote about the exploitation of the workers.
We want to put a stop to the exploitation of children by adults.
The exploitation of fear is an effective means of manipulation.
These people are the victims of reality TV exploitation.