Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:11869 – [Chain 1] al-Haytham b. Khalaf al-Dūrī > Muḥammad b. Ṣāliḥ b. al-Naṭṭāʿ [Chain 2] Yaḥyá b. Muʿādh al-Tustarī > ʿUthmān b. Ḥafṣ al-Twmny > ʿĀṣim b. Hilāl > Ayyūb > ʿIkrimah > Ibn ʿAbbās

[Machine] "The Messenger of Allah, ﷺ , was generous and kind to him, even if he had been evil, he would not have deprived him of food."  

الطبراني:١١٨٦٩ – حَدَّثَنَا الْهَيْثَمُ بْنُ خَلَفٍ الدُّورِيُّ ثنا مُحَمَّدُ بْنُ صَالِحِ بْنِ النَّطَّاعِ ح وَحَدَّثَنَا يَحْيَى بْنُ مُعَاذٍ التُّسْتَرِيُّ ثنا عُثْمَانُ بْنُ حَفْصٍ التومنيُّ ثنا عَاصِمُ بْنُ هِلَالٍ ثنا أَيُّوبُ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ قَالَ

«احْتَجَمَ رَسُولُ اللهِ ﷺ وأَجَرَهُ وَلَوْ كَانَ خَبِيثًا لَمْ يُطْعِمْهُ»  

See similar narrations below:

Collected by Abū Dāwūd
abudawud:3423 – Musaddad > Yazīd b. Zurayʿ > Khālid > ʿIkrimah > Ibn ʿAbbās

The Messenger of Allah ﷺ got him self cupped and gave the cupper his wages. Had he considered it impure, he would not have given it (wage) to him.  

أبو داود:٣٤٢٣ – حَدَّثَنَا مُسَدَّدٌ حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ حَدَّثَنَا خَالِدٌ عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ قَالَ

احْتَجَمَ رَسُولُ اللَّهِ ﷺ وَأَعْطَى الْحَجَّامَ أَجْرَهُ وَلَوْ عَلِمَهُ خَبِيثًا لَمْ يُعْطِهِ