rivist
The term "rivist" is not a recognized word in the English language and does not have a standard definition or established usage. It is possible that "rivist" is a misspelling of a similar-sounding word or a neologism that has not yet gained widespread recognition.
If "rivist" is a misspelling, it might be intended to be "revist," which means to visit again
If "rivist" is a newly coined word, its meaning would depend on the context in which it