"And give the relative his right," meaning: what God has commanded regarding maintaining kinship ties. "And the needy and the traveler." This was revealed before the categories of those entitled to zakat were named. "And do not spend wastefully," he says: do not spend on anything other than what is right.
﴿وَآت ذَا الْقُرْبَى حَقه﴾ يَعْنِي: مَا أَمر اللَّه بِهِ مِنْ صِلَةِ الْقَرَابَةِ ﴿وَالْمِسْكِينَ وَابْنَ السَّبِيل﴾ نَزَلَتْ قَبْلَ أَنْ تُسَمَّى الْأَصْنَافُ الَّذِينَ تَجِبُ لَهُمُ الزَّكَاةَ ﴿وَلا تبذر تبذيرا﴾ يَقُولُ: لَا تُنْفِقْ فِي غَيْرِ حق
