A supporter, who pledges a monthly amount to the podcaster.
Levels of support that you set; these are monthly pledge amounts and the corresponding rewards you provide to your patrons at those levels.
The funding levels you hope to reach and what you can do with the funding.
Where you describe who you are, what your podcast is about and what you want potential patrons to know.
For more information on how to create a crowdfunding campaign check out this article.