Dear Felix
I am both surprised and excited that your organization selected me to serve as an honorary board member for your project. Because I have long had an interest in your cause, I am eager to lend my support. Since I am currently involved in another movement that consumes my time, I am afraid I will be able to participate on a nominal level only. However, to show my support I would enjoy reviewing your literature and offering some suggestions.
I hope you will meet with every success in your praiseworthy endeavors. Your efforts will benefit many.
Regards
Lydia