Possible Clues:

• A double rum is put out for a Japanese fighter
• You are rumoured to be involved with Masai warrior
• A double rum is put out for Eastern fighters
• Warrior peculiar as revolutionary, ultimately top-notch
• Japanese militarist
• Warrior in "Rashomon"
• 1954 film septet
• Trad. Japanese warrior caste
• I get a drink when back to fighting Japanese
• It sounds as if your eye, Samuel, is on Japan