A adept is the name it receives an individual who has joined a sect or an association.
Also to the person who is a faithful follower, sympathizer of an idea or an individual, usually someone recognized because they have managed to transcend in a specific area. Dr. Murray has many followers who follow his particular slimming methodology.
It should be noted that politicians and also musicians usually have a significant number of followers, who agree with their ideas and ideological proposals, or who are great admirers of their artistic production, respectively.
The concept at hand has a large number of synonyms that have a hyper popular use, even many of them are even more used than the concept of adept, among them we highlight: fanatic or fan, sympathizer, follower, supporter and disciple. Without a doubt, the most widespread in the whole world is that of fan.
The sympathizer, adept or fan will be characterized and easily recognizable by the enthusiasm you show for that idea, person or group you follow. Also among other particular signs is the unconditionality that the adept will manifest when talking about what follows. That is, if someone attacks him, he will be very visceral when it comes to defending him tooth and nail and on the other hand he will take care of promote it at all times, that is, as soon as he has the opportunity, he will talk about it, always with the intention of making it known, publicizing it or increasing its popularity.
It is common for followers, fans of something or someone to group together and form groups that are exclusively dedicated to worshiping or promoting everything related to their object of admiration.
On the contrary of the adept, that is to say, in the opposite path, is the adversary, who is precisely that person who will be contrary or enemy of someone or something, for example an idea.