If you do good and favor to others and tolerate them, it enhances trust and respect between you and others, and makes you build good and sustainable relationships with the people around you. And if you encounter abuse from someone, forgiveness helps you overcome this abuse and continue living positively.
The most important lesson exile taught me from traveling abroad is that what makes us most alienated is being in a country that respects our humanity, regardless of differences in nationality, identity or religion, no matter how remote or affiliated its people are. A different culture and what we need most so that we can expand and the difficulty is that we are in a country where expatriates are considered second-class, regardless of the amount of salary, how close the distance, or the similarity of culture is a degree.