In the Hollydeva books these people are called “wizardeurs”, using French language as a way of exposing the pretension. These are her worst enemies. However, one of them becomes one of her closest companions from Book 3 on.
Erlyn, the Head Wizardeur
Cevaine Mire, the Hope of Wizardeuria
Miona Yaboah
The Theurg, Andalf
Madame Owleya