HONG KONG—Hong Kong’s incoming Catholic bishop said on Tuesday he will pray for the victims of China’s 1989 crackdown on pro-democracy protesters in and around Beijing’s Tiananmen Square, but whether he could do that in a public venue depends on the city’s laws. Pope Francis on Monday named Stephen Chow, 61, head of Hong Kong’s Jesuit order, after a long delay. Chow will officially take the helm of the Diocese on Dec. 4. He inherits a flock divided between those wanting the diocese to fight for Hong Kong’s waning freedoms amid an increasingly authoritarian grip by China, and others, including some powerful establishment figures, who want a less confrontational approach. The Catholic church in Hong Kong has traditionally played an active role in the city’s commemorations of the Tiananmen crackdown. Such activities are banned in China, where the subject is extremely sensitive. In his first public remarks since being appointed, …