Japanese — to the silent hostility.
If your dream appear Japanese, samurai sword, then have to deal with the inexplicable, illogical human behavior, as well as cunning and cruelty, which will in no way justified. The fact that this man was doing in the dream is a clue where you can wait for the trick and the dangers of reality.
Dreamed that you were a samurai - this means that in the near future, you pull hard on such an avalanche of problems that you're ready for the most crazy things to get rid of them.
You will face inexplicable behavior of people, unjustified cruelty and insidiousness.