Political jiu-jitsu uses our opponent’s repression to undermine their sources of power while building our own. Jiu-jitsu is a martial art that uses the attacker’s force against themselves, which means the attacker’s greater size and strength become a disadvantage to them.
Protest of one interesting tactic to organize a powerful protest without a permit (by https://extinctionrebellion.uk/)
You have to place a person with a sign every 50 metres from each others so that when people walk from point A to point B (let us say a central square and a pedestrian shopping street, places which are frequented by many people) would keep seeing a protester sharing their concern.
It is also a good way to keep the police from seeing it as a concentration of people. So you can do it without permit.
There are so many different ways to orient and activate yourself and others.
This guide may help you clarify your level of engagement,
assist in realizing the appropriate group for you or getting ideas for how best to shape your action.