Would a  policeman  block the women he's stalking on Facebook ?

Sounds like the cop is the one being stalked.  Stalkers don't normally avoid contact with their victims, because avoiding someone makes it impossible to stalk them.

I'm not  staking  him but he could loose his job if I write on his fb he's  stalking  me  cos his policeman mates could see it  and report him and he's my brothers roommate so I do c him and  he asked me out