利己主义者

例句：

1. 1.He is a man who always thinks only of himself.
   他是一个总是只考虑自己的人。
2. 2.She was accused of being a selfish person by her colleagues.
   她被她的同事们指责为一个自私的人。
3. 3. The company's CEO has been criticized for being a self-centered leader.
   公司的首席执行官因被视为一个以自我为中心的领导者而受到批评。