Draw up universal rules of human behavior that will help him live in harmony with representatives of those groups to which he does not belong.
The most important rules that help to avoid conflict: flexibility, tact, acceptance of other views, not to impose your opinion and lifestyle. Respect other cultures and norms. Ability to adapt. Be tolerant and able to compromise.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.