What's the noun for deviationists? Here's the word you're looking for.
deviation
The act of deviating; a wandering from the way; variation from the common way, from an established rule, etc.; departure, as from the right course or the path of duty.
“Since he was starting something new, breaking the folkway and norms of painting, traditional artists and the art community at that time considered him a deviant.”
“The teachers, their faces stern and unfriendly, averted their eyes from him as though he was a perverted deviant who had no right to be near the children.”
deviance
(sociology) Actions or behaviors that violate formal and informal cultural norms such as laws and customs.
A person or thing that differs from the expected. (Can we add an example for this sense?)
“My previous panicking mode was distorted into a mischievous deviator that knew exactly what he was going to do.”
“The deviator block was dimensioned at 1200 mm but scaled 1500 mm.”
“Some deterrent mechanisms, such as punishing the deviator by temporarily engaging in a price war or increasing output significantly, may entail a short-term economic loss for the firms carrying out the retaliation.”
“In the model, both the absolute number and the proportion of the deviators among the related actors matter.”
“For Tories like Cartland, deviating from the Chamberlain line was seen as betrayal, not disagreement, and the deviators were subjected to raw schoolboy pressure.”
“The later precedent is necessitated, as the church has been a known instrument of parallel ecclesiastical power and Inquisition against the errant and deviators.”