Legal/Arrestee support: They should have all pertinent information about each member of the group such as your name, and contacts for your parents or loved ones, so that they can let people know where you are . Will take the call from the police station, co-ordinate post-arrest support etc. Post arrest support will involve chasing up any arrestees, and picking people up from police stations. Should have transport to reach all the police stations in the area, and know how to get to them. Have snacks, cigarettes, water whatever people will want when they are released.