If you have seen someone you do not know as a lover in a dream: You can be successful in luck, you can make an effort to express yourself to the other party. To see someone you do not know as a lover in a dream indicates that the person who sees the dream will be deceived by a hypocrite, pretend to love, lie constantly and deceive him.
It means lie and hypocrisy. The person is either deceiving someone and making it look like he has a girlfriend, or his girlfriend is using him, constantly cheating on him by lying. Both sides use each other mutually.