Soldier
noun
A soldier samurai is still just another soldier.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
彼は元兵士です。
He is a former soldier.
300人のうち、残った兵士はわずか14人です。
Of the 300, only 14 soldiers remain.
兵士の目は無言で私にそのことを伝えた。
The soldier's eyes silently informed me of this.