Dreaming of a Yankee, foretells that you will remain loyal and true to your promise and duty, but if you are not careful you will be outwitted in some transaction.
Dream dictionary: Yankee dream meanings
The Yankee you see in the dream indicates someone in your life who is friendly, powerful, strong and trustful.
The Yankee that is northerner symbolizes the person who is very serious, cold and someone who keeps the distance from the strangers.