Wizard (Middle-earth)

In the fiction of J.R.R. Tolkien, the Wizards of Middle-earth are a group of beings outwardly resembling Men but possessing much greater physical and mental power. They are also called the Istari (Quenya for ``Wise Ones'') by the Elves. The Sindarin word is Ithryn (sing. Ithron). They were sent by the Valar to assist the people of Middle-earth to contest Sauron.

Question: are wizards human in lord of the rings
Answer: no