兵
ヘイ, ヒョウ, つわもの, へ
soldier, private, troops, army, warfare, strategy, tactics
JLPT2 G4 S7 F522
The relevant seal inscription form is 斤# ax + 廾 pair of hands → spread the hands over the long handle of an ax-like weapon (compare 父) → (armed) *soldier* → *army*; *weapon*.
[Full Kanji Etymology List]