Juror 4 is being prejudiced and racist against the poor.
We can arrive at this answer because:
Juror 4 ratified his conclusion on the case, being prejudiced against poor people.
That's because according to this juror, poor people are doomed to commit crimes.
According to him, these people commit crimes because the region where they live does not have enough resources for them to have a satisfyinglife, so they start causing problems for society to change that.
This question is about "The 12 Angry Men," which tells how 12 different jurors try a poor foreign man accused of killing his father.
