lead, neglect, shun...
Leader.
Follower.
The opposite of follower is leader. Plural is leaders. There are many types of leaders, which depending on the context, could be used as more precise nouns to mean leader(s).
The African Luhya term for the English word follower is Omulondi.
The antonym of leader is follower.
Follower.
In English the word "Baha'i" means "follower of the Glory [of God]". Baha is the Arabic word for glory; the 'iindicates follower.
Adherent
The generic word(s) for follower are "ad sectator" with the preposition "ad" sometimes being eliminated. However the specific word for follower is the name of the person with the us ending replaced by ici, such as Socratici or Antonici.
A follower in Latin is actually sectator, but it is preceded by the preposition ad. So one way of saying follower would be "ad sectator". However, there's also an an ending of a noun ici which means a follower of a person, school of thought, or some movement. Which form you would use depends on how you want to use the word follower in a sentence.
St. Paul
Shia means follower
Christian