The 14-year-old is displaying deviant behavior.
Explanation:
A deviant behavior is the one that is deviant from the dominant societal norms.
Adolescent deviation behavior arises due to psychological, social, moral, physical, and cultural relationship imbalances with the environment or society or the surrounding world.
There are a number of causes for an individual to develop deviant behavior like broken or disturbed family, lack of self morality, lack of religious attachment or education, lack of basic living conditions, social media, peer influence, urban slums, social rejection, etc.
Deviations in behavior can be commonest like assaults or insults against parents, teachers, peers, neighbors, and others; exhibits dishonesty, disobedience, indiscipline; or harmful activities like resorting to habits like smoking, alcohol, or illicit drugs; engaging in gambling or other illegal activities; does not finds it immoral to commit sexual offences, robbery, truancy, cruelty, wickedness or any other serious crime.