Roger is a manipulative individual who has no regard for the moral and ethical rules of society or the rights of others. it is most likely that he has:

Roger most likely has antisocial personality disorder.
ASPD is a type of behavioral disorder where individuals suffering from it have absolutely no regard for the rights or well being of others. In the case above, Roger doesn't really care if he's going to break any moral or ethical rules that the society has enforced for everyone, which means that he is suffering from this disorder.