A church deacon and two other men were indicted here yesterday on charges of kidnaping and murder in the March shotgun slaying of Paul F. Smith, the senior deacon and financial secretary of Gethsemane Baptist Church in Northwest Washington.

A D.C. Superior Court grand jury indicted Louis B. Sawyer Jr., 25, a deacon of the church, who is also accused of stealing money from church collections, and Marvin C. Williams, 26, and Anthony A. Tate, 22, both identified as friends of Sawyer's.

Smith, 62, a retired Postal Service employe, was found slain March 15 in a picnic grove in Rock Creek Park. He was last seen the previous evening at the church, Fourth and Hamilton streets NW.

The indictment, announced by Assistant U.S. Attorney Timothy J. Reardon III, charges Sawyer, Williams and Tate with first-degree murder while armed, felony murder, kidnaping while armed, and armed robbery.

Officials said Sawyer, of 6522 Dower House Rd., Upper Marlboro; Williams, of 4218 31st St., Mount Rainier, and Tate, of 1321 Alabama Ave. SE, were being held without bond. Sawyer is also charged with of destruction of property for allegedly slashing tires last December and January, and with forgery, uttering and theft for allegedly using Smith's credit card after the slaying.

According to police, Sawyer said he was self-employed as a political and religious speaker.