Can a person who is 21 get in trouble if there are underage people drinking and they get violated?

Yes, a 21-year-old can potentially face legal consequences if they provide alcohol to underage individuals or if they are found to be in a situation where underage drinking is occurring. Laws vary by state, but charges could include contributing to the delinquency of minors or being held responsible for any harm that comes to the underage drinkers. Additionally, if a violation occurs as a result of the underage drinking, the 21-year-old could be implicated, especially if they facilitated the situation.