Major
Lieutenant Commander
noun
The few who help are the majors or lieutenant commanders. They are the few who step up to the plate to help out in the army, according to this word's kanji.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
その少佐は、大佐に飲み物を奢ると言ってきかなかった。
The lieutenant insisted on buying the colonel a drink.