What are the opposite words for neophyte?

Neophyte is a term used to describe a person who is new to a particular activity or concept. However, there are several antonyms for the word "neophyte" that can be used to describe a person who is experienced or advanced in a particular area. These antonyms include "expert," "veteran," "seasoned," "pro," "guru," and "master." An expert is someone who has a great deal of knowledge and skill in a particular field, while a veteran is someone who has been in a profession for a long time. A seasoned individual has a lot of experience and has been through various challenges in their field. On the other hand, a pro, guru or master does something with ease and is highly skilled in a particular area of expertise.