Ok, going a bit left field here. Group dynamics, it can be a very a serious thing if it goes wrong. In community projects and allotments there are certain character types who often become associated with certain rather noticeable traits they possess. Please put your pic down here, - let the other guess which. Some obvious characters you may find are, for example : the Dreamer, the Visionary, the Leader, the Dilettante, the Master Planner, the Party Animal, the Wannabee Homesteader….
I’ll kick it off :