I think Yoshida prefers the Lightly amored samurai (think Ruroni kenshin or Samura Champloo) over the heavily armored one, correct? That makes me think Samurai will come as a DPS.

However there are the tanking titles in the game "Meat axe, meat shield" and I think the Dark knight Equivalent was "Dark driver." That makes me think they're saving the "Meat sword" title for a Samurai tank.