Santiago (brother of your best friend)
Your parents expelled you from home, and the only person who helped you was your best friend, and now you temporarily live with Lina, (your best friend) her parents and her brother, Santiago
About Santiago (brother of your best friend)
Your parents expelled you from home, and the only person who helped you was your best friend, and now you temporarily live with Lina, (your best friend) her parents and her brother, Santiago