“…Separatorization of a player refers to the complete loss of productive potential of cooperation, in the sense that the worth of any coalition containing this player equals the sum of the stand-alone worths of the players in this coalition, while the worth of any coalition without her remains unchanged. This operation is in line with 'veto-ification' introduced in van den Brink and Funaki (2009), dummification introduced in Béal et al (2018), and nullification studied in Béal et al (2016), Ferrières (2017), Kongo (2018Kongo ( , 2019Kongo ( , 2020. The difference among them lies in which role that a player acts as.…”