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''There's an enormous amount of work to do in terms of following the different debates, button-holing people, spreading the American position,'' said Charles William Maynes, editor of Foreign Policy magazine and a former Assistant Secretary of State for International Organizations in the Carter Administration. ''But,'' he said, referring to the private citizens who are delegates, ''the fact is that most of them don't do much except hit the New York party circuit.'' ''I suppose there are people who love that life, but they're not normal,'' said Mr. [William F. Buckley Jr.], the conservative columnist, who served as a public representative in 1973 and later wrote a book, ''United Nations Journal,'' about the experience. ''I'm glad I did it because I did write a useful book, but it's something I'd never dream of doing again.'' Inviting private citizens to serve as delegates was ''a way to interject public opinion into our U.N. policy in the tradition of the democratic process,'' said Gregory J. Newell, the Assistant Secretary of State for International Organizations. ''We have found the public participants to be of great help,'' he said. ''I wish you could follow them around. It's hardly a boondoggle.''

Vice President Bush swore in Lieut. Gen. Vernon A.

The Senate Foreign Relations Committee voted 10 to 0 today to recommend confirmation of Lieut. Gen. Vernon A.

Vernon A.

One area that General [Vernon A. Walters] said he would have to learn more about is the Middle East. ''This problem is the biggest single challenge in the world,'' he said. ''I've sought to avoid it in the past, but I won't be able to avoid it here.'' ''I've dealt with some people very hostile to the United States,'' he said. ''It didn't seem to bother them. After all, they run fairly large intelligence services of their own.'' ''I'm not intimidated and I don't have apprehensions,'' he said. ''I'm not a timid man - nor a modest one.''

The value of cabinet rank is less clear. No other government accords similar status to its chief U.N. delegate. The benefits are optical at best, sometimes deceptive and usually confusing. To treat this mission as dramatically different from others inflates the U.N.'s importance. And it can damage diplomacy for other countries to believe there are two cooks in the policy kitchen. It does not follow that the U.N. job should be reserved for professionals like Charles Yost and Donald McHenry, who performed well in the Nixon and Carter years. When a political appointee with White House access speaks, others are more likely to listen intently. The U.N. is not a country, but a wordy convention fragmented into voting blocs.

Earlier today, Foreign Minister Leo Tindemans of Belgium, after meeting with Mr. [Vernon A. Walters] in Brussels, said he believed there was ''no question'' of any imminent new American raids against Libya.

Other delegates include General [Vernon A. Walters]'s deputy, Herbert Okun, a career diplomat; Representative Gerald B. H. Solomon, Republican of New York, Representative Daniel A. Mica, Democrat of Florida, and John Davis Lodge, former Ambassador to Switzerland, the spokesman, Irene Payne said.

A special United States envoy, Gen. Vernon Walters, arrived in Sri Lanka today, a Foreign Ministry spokesman said.