Ibn Umar reported: The Messenger of Allah, peace and blessings be upon him, said, “Verily, your smile in the face of your brother is charity. Lifting harming things from the road is recorded for you as charity. Pouring your leftovers in the vessel of your brother is charity. Enjoining good and forbidding evil is your charity. Guiding a lost person is charity.”
Source: al-Mu’jam al-Awsaṭ 8342
Grade: Sahih li ghayrihi (authentic due to external evidence) according to Al-Albani
عَنِ ابْنِ عُمَرَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِنَّ تَبَسُّمَكَ فِي وَجْهِ أَخِيكَ صَدَقَةٌ وَإِمَاطَتَكَ الْأَذَى عَنِ الطَّرِيقِ يُكْتَبُ لَكَ صَدَقَةٌ وَإِنَّ إِفْرَاغَكَ فِي دَلْوِ أَخِيكَ صَدَقَةٌ وَأَمْرَكَ بِالْمَعْرُوفِ وَنَهْيَكَ عَنِ الْمُنْكَرِ لَكَ صَدَقَةٌ وَإِرْشَادَكَ الضَّالَّةَ صَدَقَةٌ
8342 المعجم الأوسط للطبراني
2686 المحدث الألباني خلاصة حكم المحدث صحيح لغيره في صحيح الترغيب