ship's corporal

(nautical) A petty officer who assists the master-at-arms in his various duties.

Japanese Meaning

船上で、治安維持や規律の管理を担当する役割の下士官で、船の武装や治安担当官（master‐at‐arms）の補佐を行う職務を持つ者。

The ship's corporal organized a line of sailors for inspection before the captain's arrival.

艦の伍長（軍紀係を補佐する下士官）は、艦長の到着前に検査のために水兵たちの列を整列させた。

Sense（1）

(nautical) A petty officer who assists the master-at-arms in his various duties.