dreamer
noun
[ ˈdriːmə ]
• a person who dreams or is dreaming.
• a person who has lived in the US without official authorization since coming to the country as a minor. People of this description who met certain conditions would be eligible for a special immigration status under federal legislation first proposed in 2001.
• "she found out the Department of Transportation was not going to grant driving licences to DREAMers"