Holy Invective – Aggressive Language, Love, and the Protection of Children in the New Testament argues that the New Testament’s harsh rhetoric (e.g., Jesus’ “brood of vipers,” Matt 23:33; Paul’s σκύβαλα, Phil 3:8; Gal 5:12) functions as protective speech—verbal weaponry deployed to guard the vulnerable and defend the gospel’s integrity. Situating this register within Second Temple prophetic invective, Greco-Roman forensic/political rhetoric, and early Christian pastoral urgency, the study reframes “offensive” language as militant tenderness: sharp words ordered toward love’s defense rather than cruelty. The paper surveys key texts (Matt 18:6; 23; Luke 3:7; Acts 20:29–31; Eph 6:10–18; Gal 1:8–9; 5:12; Phil 3:2,8) with philological notes (σκύβαλα; ἀποκόψονται; γεννήματα ἐχιδνῶν; μωροί; κύων; ἀνάθεμα; κατατομή), tracks OT and Roman precedents (Isa 56:10–11; Ezek 23; Cicero Philippics), and develops a theological account of love as protective force. The conclusion: Christian love is not sentimental weakness but vigilant charity—speech as shield and sword on behalf of children and the weak.