This is a very serious and inappropriate situation. It can have major legal and psychological implications for both the teenager and the older person involved.
Such a situation is highly complex and problematic. From a legal standpoint, it can lead to serious charges. Emotionally, the teenager might face long-term damage. And socially, it can cause a lot of stigma and disruption in their lives.
The implications are huge. Legally, it's often considered a crime. Psychologically, the teenager may experience trauma and confusion. Also, it can have social ramifications for both parties and their families.