Remove a list member. See: https://developer.mailchimp.com/documentation/mailchimp/reference/lists/members/#%20
Functions
Mailchimp: Subscribe or Update List Members
This very versatile function allows you to batch add new subscribers or update existing ones. Use it to unsubscribe members, update merge fields, assign/remove interest categories (aka groups), change contact info and more.
For more info see: https://developer.mailchimp.com/documentation/mailchimp/reference/lists/#create-post_lists_list_id
Mailchimp: Manage List Interest Categories
Create, edit, or delete list Interests
For more info see: https://mailchimp.com/developer/reference/lists/interest-categories/interests/
Mailchimp: Get Audience Lists
Get mailing list(s) via Mailchimp.
Mailchimp: Create Audience List
Create a mailing list via Mailchimp.