1. Possessiveness; a desire for control; obsession; clinging to the status quo.
2. Creating a structure.
3. Being an obstacle to progress because of a lack of originality or a desperate fear of change.
Note that he's clinging desperately to one of his pentacles; two more are trapped under his feet; it's the one sitting on top of his head that has him worried. He almost has complete control. That would be good enough for most people, but not for him.