3 - Do not argue with those who support him. It does not work.
4 - Focus on his policies and not his orange hair and/or his mental state.
5 - Keep your message positive; they want the country to be angry and fearful because this is the soil from which their darkest policies will grow.
6 - No more helpless/hopeless talk.
7 - Support science, artists and the arts.
8 - Be careful not to spread fake news.
9 - Donate to organizations with a history of effectively fighting for our rights.
10 - Buy from and support corporations that reject his policies. Let the others know clearly why you are rejecting them.
12 - Resist!