Answer:
Sociocultural.
Explanation:
Sociocultural factors are factors like one's social status, poverty, education, cultural identity, social upbringing, etc. In other words, factors that affect an individual directly or indirectly through one's upbringing or social status are known as sociocultural causes/factors.
In the case of Martin Salambo, he suffers from a condition that makes him feel inferior to others. Not only is his racial background responsible for that, but the behavior of others around him has a negative impact on his social and personal life. Such events are caused by socio-cultural aspects of his life.