“…An ongoing stream of literature, mostly grounded in social exchange theory, examines the antecedents of the affiliative OCB. The results of empirical research show that affiliative OCB relates with organizational leadership 4 (Kwan, Lui andYim, 2012, Wang, Law, Hackett, Wang andChen, 2005), supervisor trust building (Deluga, 1994) and procedural justice (Karriker and Williams, 2009;Williams and Gurtoo, 2012). Organizational-and leader-member exchange are two elements that act as mediators of the relationship between these constructs and OCB.…”