There will be no shame or cruelty in Hazrat Mahdi's (as) work

I find Hazrat Mahdi (as) in the books of the prophets as follows: “Neither cruelty nor shame does exist in Hazrat Mahdi’s (as) practices.” (Al-Muttaqi al-Hindi, Al-Burhan fi Alamat al-Mahdi Akhir az-Zaman, p. 21)