A person who refuses to submit to an authority or to comply with a regulation.
Mid 16th century: from Latin recusant- ‘refusing’, from the verb recusare (see recuse).
“They were involved in a recusant network.”
Aginer (noun) (US informal)
A person who is against something; one who opposes a proposal, course of action, point of view, etc. Also more generally: a person having a habitually negative attitude; one who opposes any change as a matter of principle.
Early 20th century; earliest use found in Westminster (Philadelphia). From agin, regional and colloquial variant of again + -er.