unselfish
altruistic
committed
consecrated
dedicated
devoted
disinterested
humble
modest
sacrificing
self-abasing
self-abnegating
self-abnegatory
self-denying
self-devoted
self-effacing
self-forgetful
self-immolating
self-neglectful
self-neglecting
self-renouncing
self-unconscious
selfless
unacquisitive
unpossessive
unpretentious
unsparing of self
conscientious
courageous
fervent
high-minded
magnanimous
saintly
strenuous
true-hearted
unflinching
untiring
virtuous
warm-hearted