利他 is read as りた (rita) and means altruism.
りた
rita
りたしゅぎ
altruism
りたしゅぎしゃ
altruist
もうこりた
selflessness
ごけいてきりたしゅぎ
reciprocal altruism
りよう
use
りし
interest (on a deposit, loan, etc.)
りがい
advantages and disadvantages
りそく
interest (on a loan, deposit etc.)
りこう
well-behaved (esp. of children and pets)
きき
dominance (e.g. of left or right hand)
り
advantage
りさげ
decrease in interest rates