to do something good for others

The purpose is to do something good for others.

doing things for people that they are not capable of doing for themselves

Helping is doing things for people that they are not capable of doing for themselves.

making life better for others

Your purpose has something to do with making life better for others.

the motivation/purpose of helping others

What is the motivation/purpose of helping others?

doing something for others

The point is, doing something for others.

giving assistance to those in need

Here we see helping in the sense of caring for basic necessities, giving assistance to those in need.

create an improved sense of well-being

The act of helping others can create an improved sense of well-being.

makes the world a better place

People helping people makes the world a better place.

help those around you

Helping other people means doing things to help those around you—your family, friends, classmates, neighbors, and others in your community—without having to be told.

in order to achieve something

Help is providing assistance to others in order to achieve something.

from good motives

(Helping other people is doing good and useful things for Americans from good motives.)

Purpose can be found in serving others in need

Purpose can be found in serving others in need.

to strengthen the human being and to society

The motivation to help people is to strengthen the human being and to society.

Our prime purpose in this

Our prime purpose in this is to help others.

Your life purpose

Your life purpose has something to do with helping other people.

Your purpose in life

Your purpose in life is to help someone else.

to cease to become selfish and to move on the way towards enlightenment

The purpose is to help others and by doing so to cease to become selfish and to move on the way towards enlightenment.

obligation to help those in need

What is our obligation to help those in need?

to overcome selfishness, greed, egoism, and attachment to food and other worldly things

By helping others you have an opportunity to overcome selfishness, greed, egoism, and attachment to food and other worldly things.

with problem solving or goal achieving

This means assisting others with problem solving or goal achieving.