abashed
adjective
Made to feel uneasy or uncomfortable by something shown, said, or done; embarrassed; disconcerted.
Examples:
The abashed Buba pushed his suitcase back beside the bed, and Mam looked at her watch. It was high time to leave if they were not to miss their hookup with Doctor Barton. (Context: Mam and Bruno visited Buba in his dormitory room and discovered the inhumane conditions he suffered. Source: J∙ Okram - The Mystery of the Rammed Key.)