It seems like the opposite of psychopathy would be a mix of insecurity, guilt, social anxiety, and intrusive, excessive, uncontrollable empathy. Imagine that every time an ambulance went by with its lights and siren on, you were overwhelmed with fear and sadness for whoever was hurt, while at the same time feeling guilty for no reason, and being afraid that whatever happened to the poor person in the ambulance, you would be blamed for it.