A device, substance, or person that shakes or stirs together with another force.
From coagitate + -or (agent noun suffix). This is primarily an industrial and mechanical term.
Industrial mixers use coagitators—multiple spinning mechanisms working in synchronization—because a single blade can't mix thick materials effectively without cooperation from others.
Agent noun with masculine default; female forms (agitator-ess, etc.) historically marked as derivative or morally suspect when applied to women activists.
Use 'co-agitator' or descriptive phrase ('activist,' 'organizer') to avoid gendered agent noun.
["co-agitator","organizer","activist"]
Women labor organizers, suffragists, and civil rights agitators were systematically erased or labeled pejoratively; using inclusive terminology restores their contributions.
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