疎外

1. Origins, structure, and basic meaning

• Structure: 疎外 (そがい) is an action noun for excluding or alienating a person from group relations and participation.
• Basic usage: 集団から疎外されている describes a transfer student feeling excluded from a group, while 誰も疎外しない場 aims to create a setting that excludes no one.

2. Common pitfalls and similar expressions

• Experienced alienation and active inclusion
  • 疎外される takes the perspective of one excluded, whereas 疎外しない is an organizer’s active commitment. The term differs from voluntarily choosing solitude.