This is what is referred to as aggression, that is, staying focused on the goal. Also, he never allowed self-pity to overcome him, though being conscious of his plight, he would not venture out during the day, as he did not want to attract any sympathy. Finally, overcoming a bad emotional experience in any kind of adversity is resilience.
The book, Resilience: The Science of Mastering Life’s Greatest Challenges, suggests that three factors can boost one’s resilience: realistic optimism, social support to raise the levels of oxytocin chemical and physical exercise that can increase the brain power.
Recent research suggests that most experiences involving the two are an outcome of nature and nurture in a specific context – environment. Ibrahim Hamadtou is a proof of that.