Like your #2, and #3
"1。愛打小報告的人都是under tasked 的人,就是閑的發慌,才會有多餘時間觀察別人的一舉一動。你要和上司強力推薦她的能力,建議對她委以重任,多給她一點project做,當然要讓她覺得隻有她這麽有技術的人才能擔任,使她覺得被重視才會樂茲茲地去做。
In general, the snitch is a divisive force in a team's dynamic. Do you still want/recommend to reward a snitch with a big/important assignement, which may encourage her/him to continue such destructive behavior and potentially cost a team's high turnover?