First of all, the theory is classified under two grade; deficiency needs and growth needs. In the deficiency needs which may be inflexible, as the lowest level, there is physiological need such as water, food, and shelter. This need is the most predominant need to desire until it is gratified and it is a basic reason why people do work in their life.
The next grade is a security. It can be satisfied with protection from physical and psychological threat. People consider about their future because it cannot be expected. Therefore, they want to stability of short-term as well as long-term. As regard workplace, if employer ensures job security such as pension plan and working condition, it could be satisfied. Both of those are involved to deficiency needs.
In the growth needs, love needs are mentioned as social needs. These include relation of colleagues, sense of belonging, and affection. People can feel a sense of existence by the needs as they are factors to organize society. The higher stage is