The character(s) from The Metamorphosis that represent society's abandonment of Gregor are The three boarders
Explanation:
When Gregor's family need to find other alternatives in order to have more money for the family's survival, they receive the three boarders to live with them in exchange of payment for a rent, they represent the external society since they are not part of the family and they have the hardest and coldest judgment against Gregor for being a bug.
