The passive participle from نَصَرَ is مَنْصُورٌ. Its complete paradigm is:
Word / formMeaning / explanation
مَنْصُورٌone man who received help.
مَنْصُورَانِtwo men who received help.
مَنْصُورُونَmen who received help.
مَنْصُورَةٌone woman who received help.
مَنْصُورَتَانِtwo women who received help.
مَنْصُورَاتٌwomen who received help.
The radicals n-ṣ-r and the sense of receiving help remain; the endings encode gender and number.