Public campaign finance disclosures from Democratic presidential candidate Robert F. Kennedy Jr.’s campaign reveal numerous payments to individuals and groups whose ideologies differ significantly from traditional Democratic Party politics, a review by CNN’s KFile finds.
There's no mechanism to throw him out of the party. Party membership in the US is completely informal, unlike many other countries. You're basically a member if you say you are and there's nothing anyone can do about it.
Gonna assume you're trolling, because when I read mega dumb comments I give people the benefit of the doubt and assume they're purposefully being obtuse.
If you're not, define communism
You need like the marxists leninist maoist definings or an explanation of the modern efforts being put forth by the underlings in the party you are likely to be voting for?
I'm not going to provide either to you because you have a computer in your hand but I'm sure you can find plenty of examples that fit even your definition of it.