Key terms and abbreviations

Last updated on 26 November 2025
By Maksym Achkasov

BPD – Borderline Personality Disorder;

NPD – Narcissistic Personality Disorder;

B/NPD – Borderline and Narcissistic Personality Disorders;

CAIs – Core-affected individuals (i.e. people diagnosed with, or exhibiting, significant BPD or NPD traits);

RAIs – Relationally-affected individuals (i.e. those impacted by individuals with BPD or NPD traits, for example spouses, children, or extended family members).

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Disclaimer Note

This project does not offer psychotherapy, psychological counselling, or any form of clinical advice, and none of the materials or recommendations provided here should be seen as such services. All content offered here is within Christian mentoring, a relational and non-clinical practice that seeks to assist and encourage personal growth, spiritual reflection, and discipleship through prayer, supportive conversation, biblical contemplation, and non-therapeutic guidance.

Key Terms and Abbreviations

B/NPD – Borderline and Narcissistic Personality Disorders;

CAIs – Core-affected individuals;

RAIs – Relationally-affected individuals.