影武者・陰武者|かげむしゃkagemusha[0]heiban (flat)

1. nounbody double; doubleorig. of a military leader
2. nounwire puller; person behind the scenes; shadow commander

• Synonym代役だいやくNeutralRefers to taking over a role or duty in someone's place, as in 「代役を立てる」; it lacks the enemy-deceiving nuance of 「影武者」.
• Synonym替え玉かえだまCasualColloquial for an impostor or a fake, with a deceptive tinge; also means a ramen noodle refill.
• Synonym代り役かわりやくNeutralA substitute performer; synonymous with 「代役」 but confined to show business and used less often.
• Antonym本物ほんものNeutralThe genuine article or the real person; the exact opposite of 「影武者」, the double who impersonates his lord.
• Antonym実物じつぶつWrittenWritten style for the actual thing or original, as opposed to an imitation; contrasts with 「影武者」 only loosely as real versus fake.

Use 「影武者」 for a double who impersonates his lord to fool the enemy, or for a behind-the-scenes power; use 「代役」 for simply taking over someone's role, and 「替え玉」 for an impostor (or extra ramen noodles).

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 敵てきを欺あざむき、主君しゅくんの身代みがわりとなっている武者むしゃ。
2. 当事者とうじしゃの代理だいりや替え玉かえだま。
3. 実際じっさいに物事ものごとを動うごかしている裏方うらかたの人物じんぶつ。