what is selfish mean?

MEAN WHAT IS MEAN well this is what people,selfish what is MS mean? what is your mean? what is this mean? what is essay mean? design what is mean what is the mean?what is the mean?what is the mean?what is t He is too selfish,____ I mean that he cares only for himself What exactly is that mean? What is this word mean? What is the HDR MEAN?