What you propose is illegal . Don't risk your fine idea by doing it the wrong way.
Hire a lawyer, creat a business plan for your charity, and do the necessary set up, filings, annual reports and due diligence.
You may be able to accomplish your goals of confidentiality, while still setting up the proper entity. Contact an attorney to discuss this issue as more detail is needed.
You should retain an attorney to address this issue. The above answer is for informational purposes only and does not constitute legal advice. I have provided this answer only based on the information presented in the question. The specific actions or answers to this issue require additional information. The above information and answering this question does not constitute an attorney-client privilege. I am not responsible for any issues, problems or losses from any reliance on this answer and information, and the consequences of such reliance.