Tom is altruistic.

She was impressed with the altruistic service of nurses.

I also think that someone is sure to use it for selfish and not purely altruistic ends.

Peter was an altruistic video game player; he would give items to people who needed them, rather than selling them for personal profit.

Tom is an altruistic person.

Compassion is the most altruistic form of love.

I am an altruist.