Do not vote for them. If there is a decent third party candidate, vote for that person. If not, leave that part of the ballot blank (dont reward even worse Marxist Dems!). Dont forget to write the NeverTrumpers and let them know why you didnt vote for them (de facto support of Hillary and willingness to toss the country and Supreme Court away, etc.). Next time work to primary them.
I am a NEVER-DEMOCRAT voter and will vote n a way that is most damaging to DEMOCRATS....