Briefly cover what do the Nicolaitans do and why does Yeshua hate their deeds. Any reference early church writers who refer to them.

To Ephesus Rev. 2:6 But this you have, that you hate the deeds of the Nicolaitans, which I also hate.

To Pergamos Rev. 2:15 Thus you also have those who hold the doctrine of the Nicolaitans, which thing I hate.

For more insight refer to free commentary https://heavenscatalyst.org/truth/revelation-commentary/