“…In line with these arguments, Robert et al (2015) stated that negative humor might lose its negative effect and gain positive humor characteristics in stable relationships (Trust). Perhaps what helped the trust variable change the negative effect of aggressive humor on knowledgesharing into positive is that the Egyptians are noted for their enthusiasm for all things humorous; jokes, witticisms, the pun, and so on (Helmy and Frerichs, 2013). According to Blomme et al (2010), hotel staff suffering from mistreatment of their leaders/ supervisors, Antisocial working hours (Lub et al, 2012), heavy workloads, work-tofamily conflict, low salaries (García-Cabrera et al, 2018).…”