尖兵(せんぺい)vanguard, advance-guard point, advance detachment

尖兵(せんぺい)が警戒(けいかい)と偵察(ていさつ)の仕事(しごと)をしています。

The vanguard is doing the job of vigilance and reconnaissance. {vanguard, advance-guard point, advance detachment}

軍隊(ぐんたい)で、本隊(ほんたい)の前方(ぜんぽう)にいるのが尖兵(せんぺい)である。

In the military, the vanguard is the advance detachment that is located in front of the main force. {vanguard, advance-guard point, advance detachment}

動画(どうが)投稿(とうこう)サイトの尖兵(せんぺい)たちが今(いま)や大(だい)富豪(ふごう)となっています。

The vanguard of video posting sites have now become billionaires. {vanguard, advance-guard point, advance detachment}

本隊(ほんたい)の兵士(へいし)：「怖(こわ)いが、尖兵(せんぺい)を信(しん)じて我々(われわれ)は突(つ)き進(すす)むまでです。」

Soldier of the main force: "It's scary, but we will press on, trusting in the vanguard." {vanguard, advance-guard point, advance detachment}

その業界(ぎょうかい)で進(すす)んで尖兵(せんぺい)となった者(もの)のおかげで、後(あと)に続(つづ)く人(ひと)が現(あらわ)れたのだ。

Thanks to those who willingly became the vanguard in that industry, successors appeared later on. {vanguard, advance-guard point, advance detachment}