النائبthe deputy (substitute subject) المفعولthe object إنif يَلقَهُmeets him
النائب المفعول إن يَلقَهُ
مُرامِياًexchanging shots فالنَّائِبُthen the deputy الصَّائبُthe one who hits the mark
مُرامِياً فالنَّائِبُ الصَّائبُ
If the object meets the deputy,
If the object finds its representative
trading shots, then the deputy is the one who hits the mark.
Then the fitting representative takes its place
وهذهand this فيin النحوgrammar معروفةٌwell known
وهذه في النحو معروفةٌ
يعلمهاknows it الحاضرُthe one present والغائِبُand the one absent
يعلمها الحاضرُ والغائِبُ
And this is well known in grammar;
And this in grammar is well known
those present and those absent know it.
Both the present and the absent know it
وإِنand if يُزاحِمjostles نائباa deputy فاعِلٌan agent (grammatical subject)
وإِن يُزاحِم نائبا فاعِلٌ
يَفِرَّflees خَوفَfor fear of الفاعلِthe agent (grammatical subject) النائِبُthe deputy
يَفِرَّ خَوفَ الفاعلِ النائِبُ
And if an agent jostles a deputy,
And if the subject disturbs a representative
the deputy flees for fear of the agent.
The representative flees, fearing the subject
Sol 6.1