Self-Actualization: The realization or fulfillment of one's talents and potentialities; considered as a drive present in everyone according to Maslow.
Physiological Needs: These are biological requirements for human survival such as air, food, drink, shelter etc. If these requirements are not met then human body cannot function properly.
Esteem Needs: These include needs for both self-esteem and the esteem a person gets from others. Humans need to engage themselves to gain recognition and have an activity or activities that give the person a sense of contribution, to feel accepted and self-valued.