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Campaigning Wiki

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Summary

A small (5–15 person), trusted group that organises and acts together — the basic unit of anarchist and movement-organising practice, especially for direct action — now extended by climate-movement adaptations including the explicit care role and the stress-inoculation rehearsal as prerequisites for safe action.

Body

An affinity group is a small, self-organising cluster of people who know each other well enough to make fast collective decisions in a high-pressure action. WRI’s Handbook for Nonviolent Campaigns treats affinity groups as the basic building block of action safety and decision-making, with the same structure used whether the action is a sit-in, a banner-drop, or a coordinated block of rapid-response phone calls [source: wri-handbook]. Seeds for Change publishes facilitation guides for affinity-group meetings and consensus, plus the discipline of the spokes-council — when multiple affinity groups need to coordinate, each sends a single mandated spokesperson who can speak for and report back to the group [source: seeds-for-change]. The same pattern (small trusted teams + spokes-council coordination) underpins the distributed-organising models that the Commons Library describe for large digital campaigns [source: commons-library].

The contemporary climate-movement adaptations add layers the original anarchist and civil-rights affinity groups did not have. XR-DE’s Bezugsgruppen-Handbuch makes the care role explicit — a member of the group whose job is to monitor the others’ emotional state and create space for a participant to withdraw consent on the morning of the action without losing face [source: xr-de-bezugsgruppen-handbuch]. Skills-for-Action’s stress-inoculation methodology treats rehearsals that simulate the action’s cognitive and emotional load as a precondition for affinity-group cohesion under stress [source: skills-for-action-handbuch]. The German Blockadefibel adds a structured morning-of-action checklist that operationalises the consent-withdrawal discipline [source: blockadefibel-sitzenbleiben]. Beautiful Trouble’s jail-solidarity card lays out the pre-planned arrestee-support handoff at the level of the affinity group [source: beautiful-trouble].

Use it for

Organising a direct action safely; structuring the participation of newcomers; building the basic unit of a grassroots network; coordinating the spokes-council at a mass action.

Worked examples

  • case-studies/barbie-liberation
  • case-studies/gezi-park
  • case-studies/idle-no-more
  • case-studies/otpor-milosevic
  • sindicato-inquilinas
  • case-studies/sunrise-green-new-deal
  • case-studies/umbrella-movement

Examples

Open Questions

  • The care role is relatively new — what is the empirical record on its effect on action participation rates?

Sources & verification

Verified 2026-07-02 by llm-qc.

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