She is the main protagonist, noted for her cheerful optimism, altruistic nature, and great sympathy for others.

Seemingly selfish and lazy, Tatsuya's main quality is his altruistic nature.

Lestat exhibits a strong altruistic nature at several points in the series.

"Can we appeal to your altruistic nature?"

For such a charitable guy, Vernon Forrest has an edge to him that belies his altruistic nature.

The authors assert that without harsh penalty for subsequent violations, or a strong altruistic nature in businessmen, this method is ineffective.

He presented the suggestion with a wealth of good reasons, mostly of an altruistic nature, and mentioned both honour and duty; I wonder he did not add patriotism.

I attribute it to his essentially altruistic nature.

Because of their altruistic nature, they follow the rules of kin selection.

The altruistic nature of donation must be preserved so that we can prevent any form of commercialisation or financial motivation of donors.