Few paid much attention when she first turned up at the center of Alibaba Group Holding Ltd.¡¯s packed cafeteria on Friday, a stack of leaflets in one hand and a megaphone in the other.

It had been more than a week since she accused her boss of rape, and she was losing patience.

¡°An Alibaba executive raped his female employee, but the company has taken no action!¡± she screamed, handing out the leaflets to stunned colleagues until security guards forcibly removed her. ¡°No one is taking responsibility!¡±