What is a word for a person who find it okay to hurt himself if it can help someone he know [closed]
Solution 1:
If your behaviour or motives are altruistic, you show concern for the happiness and welfare of other people even if it results in disadvantage for yourself.
I might call them selfless.
Selfless: If you say that someone is selfless, you approve of them because they care about other people more than themselves. [Collins Dictionary]
Or they're self-sacrificing.
Self-sacrificing: Sacrifice of oneself or one's interest for others or for a cause or ideal. [M-W]