If you feel unsafe, tell someone you know about what's happening and consider reporting the behavior to the police. You could even take legal action and file a restraining order if the person refuses to leave you alone.
Some people like the nutrition found in them. Avocados have fatty acids and other nutrients, and they don’t have as much calories as butter when you are baking. Other people...
Probably using Step 2. Click obj_wall, then click Solid checkbox. Try to place your character a bit above the wall at the start, so it drops onto the wall.