What does altruism mean?
The definition of altruism
Al”tru*ism, n.
Etym: [F. altruisme (a word of Comte’s), It. altrui of or to others, fr. L. alter another.]

Regard for others, both natural and moral; devotion to the interests of others; brotherly kindness; — opposed to egoism or selfishness. [Recent] J. S. Mill.