Pre-marital sex is Sex before Marriage. It is shunned by the conservative society because it is seen as an in-ability to control desire.
Really, how many times have we been able to control our own desires? to shout at someone? to hit someone? Then why are we so unwilling to forgive others for the in-ability to control desire, control falling in Love ?
Players are named so, because they are willing to play with other's lives and hearts. They are the epitome of lust, and bring depravity to society. Players who are male are also known as womanizers.