I can not imagine a more selfless person.

我不能想像一个更无私的人。

youdao

I don't see myself as a selfish person or a selfless person.

我并不认为自己是一个自私，或者是一个完全无私的人。

youdao

A person or creature will do something selfless if the act still saves enough of its own genetic material - say, the amount carried in a couple of brothers or a half-dozen Cousins.

一个人，或一种生物，会做一些无私的事情，只要可以为它保存自身的遗传物质，比如那些存在在几个亲兄弟或者堂兄弟之间的。

youdao

Announcing his death, Esper's son described him as a "selfless person" dedicated to his work.

BBC: George Esper: Fall of Saigon reporter dies at 79

In this case our sincerity lies in our genuine aspiration to one day become a truly selfless person.

FORBES: Giving Away Credit; Is It Worth It?

Follow-up versions of the study showed that this antipathy was not because of a sense that the selfless person was incompetent or unpredictable two kinds of people psychologists know are disliked in this sort of game.

ECONOMIST: Psychology