د ف عd-f-ʿ
(ف) دَفَعَ يَدْفَعُ دَفْعًاdafaʿa yadfaʿu dafʿan: (1) to repel something. ﴿اِدْفَعْ بِالَّتِيْ هِيَ اَحْسَنُ﴾ (Fuṣṣilat 41:34); (2) to ward someone off from something, to defend. ﴿وَلَوْلَا دَفْعُ اللّٰهِ النَّاسَ بَعْضَهُمْ بِبَعْضٍ﴾ (Al-Baqarah 2:251); (3) to pass something over to someone, i.e. to hand over. ﴿فَادْفَعُوْٓا اِلَيْهِمْ اَمْوَالَهُمْ﴾ (An-Nisāʾ 4:6)
دَافِعٌdāfiʿ (active participle, ism fāʿil): one who repels. ﴿لَيْسَ لَهُۥ دَافِعٌ﴾ (Al-Maʿārij 70:2)
Form III (mufāʿalah) دَافَعَ يُدَافِعُ مُدَافَعَةً وَدِفَاعًاdāfaʿa yudāfiʿu mudāfaʿatan wa-difāʿan: to defend. ﴿اِنَّ اللّٰهَ يُدٰفِعُ عَنِ الَّذِيْنَ اٰمَنُوْا﴾ (Al-Ḥajj 22:38)