What a common soldier may lose is obvious enough.

一个普通士兵可能失去的东西是显而易见的。

In Middle English the word could  apply to anyone who was servile, but its usage to mean a common  soldier really caught on.

在中世纪英语中， 这个词可以适用于任何奴仆，但用来表示普通士兵的用法确实很流行。