Answer: Discrimination
Explanation:
Discrimination is the process of unfair treatment in which the people are discriminated according to the person activities, age, gender, race and their national origin.
The discrimination is the unequal and negative treatment to the people as Mr roper also discriminate to the person when the Hispanic person inquired about the renting.
Then, Mr roper deny and tells to the person that there is no vacancy in the apartment when there is 5 empty units in the apartment. Therefore, the above given situation is an example of discrimination.