Executive Summary: Ephesians (English → Thai)

Why it matters

Ephesians is being added to a Thai Bible curriculum pipeline whose baseline (Romans/Galatians) already proved that Thai’s dominant religious vocabulary — Theravada Buddhism, its Brahmanic-Hindu ritual layer, animist spirit-practice, and monarchy-linked honorifics — actively collides with core Christian doctrine, not merely fails to have words for it. Ephesians intensifies that collision. Its core passage (2:1-10) states Paul’s grace/works argument in the same breath that Thai religious life states its own merit ledger (บุญ/กรรม), and five of its other doctrines — predestination, the mystery of Christ, spiritual warfare, the church as Christ’s body, and filling with the Spirit — each land directly on a distinct, well-populated Thai religious concept (karma/astrology, esoteric ritual knowledge, negotiable spirit-hierarchies, Buddha-relic veneration, and spirit-possession trance, respectively). Getting this Language Package right is a precondition for every downstream Phase 2 translation task.

Key findings

• 20 doctrines analyzed across all 6 chapters (full-book coverage per PRD mandate); 10 rated Critical and 5 rated High — 15 of 20 doctrines (75%) require mandatory human theologian review, versus 4 requiring native-speaker review and 1 automated-only.
• 104 terms now in the merged translation memory (44 reused exactly from the Romans/Galatians baseline + 60 new to Ephesians); 30 Critical and 31 High — 61 of 104 terms (59%) require mandatory theologian-level enforcement.
• The core passage (Eph 2:1-10) alone contributes 16 new Critical/High-risk terms, more than any other single passage in either curriculum to date, headed by the grace-excludes-works/good-works-is-fruit sequencing problem (2:8-10) and the “made alive with Christ” phrase (2:5), which is now ranked the single highest rebirth-collision risk in the whole Language Package family — higher even than “resurrection” itself.
• Three entirely new collision categories not present in Romans/Galatians are introduced: Thai’s negotiable spirit-hierarchy versus Ephesians’ command to resist hostile powers (6:10-18); Thai’s fluent esoteric-knowledge vocabulary (คาถา) versus Paul’s publicly disclosed mystery (1:9; 3:3-9; 5:32; 6:19); and Thai’s normal spirit-possession-trance practice versus “filled with the Spirit” (5:18).

Risks

• Highest risk: Eph 2:8-10’s grace/works/good-works sequence — if discourse-level sequencing is lost, a Thai reader can resolve the apparent tension as “wrong merit vs. right (Christian) merit,” precisely inverting Paul’s argument.
• Second-highest: “Made alive/raised/seated with Christ” (2:5-6) — more rebirth-adjacent on the surface than “resurrection,” which is already Critical-tier in the baseline.
• Culturally most volatile: “Rulers, authorities, cosmic powers” and “armor of God” (1:21; 3:10; 6:10-18) — Thailand’s spirit-hierarchy is not merely present in folklore but actively practiced (offerings, spirit-houses, protective amulets); mistranslation risks either stripping evil powers of personal reality or inviting an appeasement response the text explicitly forbids.
• Most pastorally delicate: idolatry (5:5) and household submission (5:21-33) — both require teaching-note-level nuance beyond any single lexical choice, since over-correction (gratuitous offense) and under-correction (doctrinal softening) are both live failure modes.

Opportunities

• Thai filial piety (กตัญญูกตเวที) and the Sigalovada Sutta’s reciprocal-household-duties structure offer genuine, low-risk teaching bridges for the household codes (5:21-6:9), unlike grace/works, which has no comparable bridge in any surveyed tradition.
• The baseline’s existing forbidden-substitution infrastructure (never การเกิดใหม่, never บุญ/กรรมดี/บารมี, never กิเลส) extends cleanly to seven distinct new Ephesians touchpoints (made alive, raised/seated, one new man, old self/new self — all inheriting the resurrection/new-creation rule) with no new mechanism required, only new applications logged.
• Ephesians’ “mystery” doctrine, correctly framed, becomes an apologetic asset: its “hidden-then-fully-disclosed-to-all” structure is the direct inverse of restricted Thai ritual knowledge (คาถา) and can be taught as a deliberate contrast rather than merely defended against as a risk.

Recommended actions

1. Route Ephesians 2:1-10 as a single mandatory-theologian-review block in Phase 2 QA scheduling, ahead of Medium/Low-risk chapters, given its unmatched concentration of Critical terms (16) in ten verses.
2. Encode all Ephesians-specific forbidden substitutions and discourse-sequencing rules from analysis/12_ai_translation_requirements.md into Phase 2 automated validation before any segment translation begins.
3. Commission dedicated pastoral-framing teaching notes (not lexical fixes) for idolatry (5:5) and filled-with-the-Spirit (5:18) before these lessons reach first-generation Buddhist-background believers.
4. Confirm cross-curriculum consistency checks are active wherever Ephesians and Galatians share vocabulary (mystery, new creation, redeem) so no divergent rendering enters the pipeline as the library grows beyond Romans/Galatians/Ephesians.