one should support whatever Allah and His Messenger love in these matters, and oppose whatever Allah and His Messenger condemn.
The Jahmiyyah are those who followed Jahm in the innovations he introduced into Islam. All his innovations were misguidance contrary to the Quran and Sunnah. For this reason, all of Jahm’s teachings were condemned by agreement of the early generations and leading scholars, since they do not attribute to the Jahmiyyah anything that Jahm did not innovate.
As for the Karrāmiyyah, Kullābiyyah and Ash'ariyyah, they follow their leaders in the doctrines those leaders formulated. Their doctrines contain both truth and error. However, these leaders introduced certain teachings without precedent; those particular doctrines are attributed to their originators and condemned without qualification. Thus, Ibn Karrām’s innovation of defining faith as mere verbal profession, without assent in the heart, is condemned. Likewise condemned are the doctrines Ibn Kullāb and al-Ash'arī introduced concerning the attributes and speech—teachings that agree with Ahl al-Sunnah in many respects and with the Jahmiyyah in others.
That being so, the term “corporealists” does not occur in the Quran, the Sunnah, or the statements of the early generations and leading scholars, whether in praise or condemnation. Nor is the meaning you have termed “corporealism” condemned in the statements of any of this ummah’s early generations or leading scholars.
As for the doctrine you have mentioned, it is what the early generations call the doctrine of the Jahmiyyah. The first to introduce it into Islam was al-Ja'd, and its condemnation