The adjective altruistic means someone who shows concern for the happiness and welfare of other people rather than for themself.
Synonyms are charitable, humanitarian, magnanimous, or philanthropic.
The word origins in 1853. It comes from altruist meaning “unselfish person” plus –ic.
Women are intuitively more altruistic than men.
She seemed driven by purely altruistic reasons to organize a very long celebration.
Babies begin to show altruistic behaviors as early as 15 months.