Uganda's unpredictable General Idi Amin ("Big Daddy") Dada may be a Moslem, but last week he was sounding off on equal rights for women. Suiting action to his words, he appointed as Uganda's Ambassador to Egypt Princess Elizabeth of Toro, 34, once a top fashion model and Uganda's first woman barrister. The princess has been a firm Amin supporter since Big Daddy seized power in 1971. She was rewarded with a U.N. post and the job of roving ambassador for Amin. Packing her bags in her Kampala home, the statuesque princess (her family were deposed as rulers of Toro in 1966) said that she would be known simply as Elizabeth Bagaya in Cairo. Sounding like a lady the boss can count on, she added: "I am excited and grateful that General Amin, a champion of the Arab cause, has chosen me.

Trouble is stirring in Nirvana. A.C. Bhakivedanta, Swami of the Hare Krishna movement, at a news conference in Hong Kong last week denounced a rival guru: self-styled divinity Maharaj Ji, 16, now counseling his disciples in California. The ascetic swami, whose followers constitute a kind of saffron-robed Hindu version of the Salvation Army, began by saying, "You've got to decide whether he is God, or a dog." Noting the young leader's luxurious life style, the swami declared rather ominously, "He is cheating people, but he will be cheated in a bigger way. When God meets cheats, he can be a better cheat than they."

Blond, blue-eyed and unabashed Christopher Tanner, 4, of Pasadena, Calif., looked over his fellow model and decided that a correction was in order. "I'm going to pull your nose off!" he cried, tugging at the proboscis of California Governor Ronald Reagan. Chris, who has several birth defects, was posing with Reagan in the Governor's Sacramento office for an Easter Seal fund-raising poster. "Hey," grinned Reagan, "I'm going to take your nose off too," and he returned a friendly tweak. Then he offered his constituent a perk: the jar of jelly beans he keeps on his desk.

Emitting a couple of uninhibited shrieks, Mrs. Mark Phillips clung to the toboggan her husband was expertly maneuvering down the fast hill. Having arrived safely at the bottom, Princess Anne regained her composure as she and Mark mingled with the guests at a winter-games party thrown in their honor by Canadian Governor General Jules Leger at Ottawa's Governmenl House. Obviously enjoying their second official visit abroad together, the Phillipses even made a little history. Where Anne dropped the puck at a hockey game in Hull, Quebec, it marked the first royal visit to the French Canadian province since the 1964 separatis demonstrations against Queen Elizabeth. She scored a success with Hull Mayor Jean-Marie Seguin, who remarked, "She speaks better French than most French Canadians."

Muhammad Ali glowed in a white satin robe while Joe Frazier menaced in crushed velvet with "Smokin' Joe across the back. Still, the two ex-champ fighting last week in Madison Square Garden were all but lost sartorially to their fans. It was a crowd of funk-furred and metallic-threaded celebrities, including Chanteuse Bette Midler in jeans and mink, New York Knick Star Walt Frazier in a bold red and white blazer, Actor Jack Nicholson in loud pin stripes, Barbra Streisand in a sombrero, plus Senators Edward Kennedy and John Tunney in mufti. Ali Partisan John Kennedy Jr., in a blazer, escorted his aunt Lee Radziwill, in black and gold striped lame, to a ringside seat after exchanging gentle warmup jabs with the fighter in his dressing room. Then he snapped the action with his Nikon. And after Ali had shrewdly outpointed Frazier in twelve rounds, he gave John a unique trophy: his bloodstained trunks.

Veteran Hollywood Musical Star Jane Powell, 44, will make her Broadway debut on schedule this week in the '20s hit show Irene despite a behind-the-scenes handicap. Director Gower Champion, busy with a new musical, declined to rehearse with Jane. Luckily, an interim replacement was at hand: Debbie Reynolds, 41, her predecessor as Irene. "Debbie helped me in every possible way," said a delighted Jane. "She kept people from confusing me, and even found a wig to match my hair." Gratitude aside, Powell intends to leave her own stamp on the role of the plucky piano tuner who makes it to Long Island's Gold Coast. For one thing, she added a song, I'm Always Chasing Rainbows. "My forte is singing," she declared. "Debbie is basically a comedienne."

It has been 21 years since Bonjour Tristesse established Schoolgirl Franc,oise Sagan as the enfant terrible of French letters. She is finishing up her ninth novel, which she describes as "not a love story. It's about an obsession, and based partly in the U.S." Sagan is an ailing 38. Her life has been scarred with drama: two divorces, a near-fatal auto accident, a bout with habitual gambling. Dividing her time between a Paris apartment and a Normandy house, Sagan is still planning, as she announced last year, to live in Ireland, at least for half the year. It has nothing to do with the fact that the Irish Republic exempts writers from income taxes, said Sagan, who has had trouble holding on to her royalties in the past. "C'est vide [It's empty]," she exclaimed.

At 78, Jack Dempsey is still not a man to count out, as his landlords have learned. It seems that the Inch Corp., a real-estate holding company, bought the building that houses Jack Dempsey's restaurant, a Broadway landmark for tourists and the prizefight crowd, in 1967. Since then, Inch has tried to evict Jack on the grounds that his lease is no longer valid. Taking him to court in June 1973, Inch was outpointed when Dempsey won the ruling. Bouncing back, Inch sued again in December. Last week a judge again gave Dempsey the decision. Even as Jack savored a victory lemonade, among pictures of past triumphs, an Inch lawyer arrived at the restaurant to serve him with still more papers. "This time I'll use four-ounce gloves like in the old days," said Dempsey. "They're harder--you don't have to hit so many times."

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