entryist
Entryism is a political tactic where members of a political group or party join a larger existing party with the intention of changing that party's policies or ideology from within. This strategy is typically employed by smaller, more radical groups seeking to influence or take over a larger, more moderate organization. The goal is to infiltrate the target organization and gradually shift its direction over time, often by occupying positions of influence or by increasing their numbers to a level where they can outvote or outmaneuver the existing membership.
Entryism can be employed by groups across the political spectrum. Historically, it has been associated with