Surely We know that indeed whatever they are saying should sadden you; indeed, they are not rejecting you, but these wrongdoers are repudiating with verses of Allah.
The Arabic Quran reading Fujjar considers Adhikr as filth and they have become wrongdoers by repudiating with verses of the Lord. It is told in verse 17: 82: "Lord is sending down Adhikr in which has Healing and Mercy for the believers, but It will increase nothing except loss for the wrongdoers". It is told in verse 41: 40: "Indeed, those who hatefully reject Lord's verses are not concealed from Him. So, is he who is cast into the Fire better or he who comes secure on the Day of Judgment? You do whatever you can, indeed He is Observer of whatever you are doing".
The Fujjar are the enemies of the Lord and believers as told in verse 63: 4. Whoever from the people of the Messenger didn't follow Adhikr, he will not include in the Straightpath as Lord has taught through His Messenger. It is told in verses 41: 26-28: "The hypocrites will say to their blind followers not to hear the Manifest Reading Adhikr. For these enemies of the Lord, the eternal Hellfire is ready since they are repudiating with verses of the Lord". It is told in verses 29: 47 and 49 respectively that none will repudiate with Lord's verses except the disbelievers and wrongdoers. The Fujjar will argue, curse, and blame each other in Hell as explained in verses 2: 165-167. See explanation 2: 254; 5: 104-105, and 10: 61.