Selflessness is the act of putting the needs of others before yours for the greater good.A selfless person can go extremes just to make sure another person is satisfied even if it means that act causing detriment to him/her.
A self-centered person is someone who puts his needs first before that of others and could go miles to ensure that him alone derives benefits.
Morally,rendering selfless service ensures the growth and development of people and also the society at large.It is evident to note that factors that fashion selfless service include the right frame of mind,that drive to succeed,that hunger for growth and development,diligence, commitment,intellect and a host of others.An example of a selfless leader is Nelson Mandela.Prior to his selfless service, South Africa was demarcated from it's then Apartheid structure.