An altruistic act is an act performed for the welfare of others.

His rescuer could claim a large sum for the altruistic act of rescuing him.

Tissue donation is an altruistic act, he said, and it may be incompatible with the desire to make money.

In most altruistic acts, there is something in it for the giver.

Conversely, the sort who would do it for mercenary reasons was not likely to be much interested in altruistic acts.

And because of the altruistic act of a stranger.

Second, an animal might direct altruistic acts towards genetic relatives of those with which it was raised.

But, again, another altruistic act of his attracts hatred from society.

The next most popular idea was to give old fur coats to the homeless, an altruistic act to be sure.

He began serving his community through simple, anonymous, altruistic acts to people who he did not have contact with and never knew.