Sentence:  Thanks to the generosity of Mr. Irving J. Fain , president of the Temple Beth El ; Rev. DeWitt Clemens , pastor of the Mathewson Street Methodist Church ; Mr. Felix Miranda , of the Imperial Knife Co. ; and to Mrs. Rozella Switzer , regional director of The National Conference of Christians and Jews , who asked them to <WSD>serve</WSD> as a committee for the fund . 
Meaning of the word marked with <WSD> tags:  serve a purpose, role, or function