他以一个冷酷无情的个人而闻名。

He was known to be a ruthless ___individual.

这个团队由积极主动且勤奋的个人组成。

The team consists of highly motivated and hard-working ___individuals.

在压力下，他变成了一个自私的、无视团队需求的人。

Under pressure, he became a selfish ___individual who ignored his team's needs.