showing a wish to help or bring advantages to others, even if it results in disadvantage for yourself
I doubt whether her motives for donating the money are altruistic - she's probably looking for publicity.
Her altruistic nature was evident when she volunteered at the local animal shelter, caring for abandoned pets.
The philanthropist's generous donation to the charity was truly altruistic, as it aimed to improve the lives of countless underprivileged individuals.
Despite the personal sacrifice it required, his altruistic decision to donate a kidney to a stranger saved a life and inspired others to do the same.
