As long as the minor is a runaway you can get charged for harboring her. A 15yo may not choose where to live and is not allowed to leave without parental permission.
He could be charged with corruption of a minor and harboring a runaway, and possibly statutory rape if they're in a relationship.
The minor can be taken back home by law enforcement and you can be charged with harboring a runaway.
It's highly unlikely that authorities would intervene in such a situation unless the adult sibling placed the minor in a situation which could jeopardize said minor's welfare. The legal definition of "harboring a runaway" would not apply in such circumstances as long as the parent(s) were made aware of the minor's whereabouts.
You could be charged with "non coustodial interferance"
The 15 year old is a minor. The 19 year old is an adult and can be charged with rape of the 15 year old even if she consents. This will stay with that person the REST of his life on his record.
No. The 16 year old is a minor while the 20 year old is an adult. The adult can be charged with rape of a minor.
yes you can.
No. A 20 year old is an adult and a 12 year old is a child and a minor. If sex takes place the 20 year old can be charged with rape and sexual abuse of a minor.
No. At 17 you are still a minor. The 20 year old is an adult and can be charged with rape of a minor. You will not be an adult until 18.
No, and in this situation the adult could be facing possible charges, such as harboring a runaway, contributing to the delinquency of a minor, custodial interference, etc.
Yes, yes you can, unless you tell his parents or your parents or any adult figure really.