tactician; strategist; military scholar
Refers to a person who studies or is an expert in military science, tactics, or strategy. Often used in historical or academic contexts.
彼は江戸時代の有名な兵学者だ。
He is a famous military scholar from the Edo period.
Compound of 兵学 (military science) + 者 (person). The exact historical derivation is uncertain, but the word follows a standard pattern for naming a specialist in a field.