Remoaner
noun /rɪˈməʊnə(r)/
/rɪˈməʊnər/
(British English, informal, disapproving)- a name given to a person believing that the UK should remain in the European Union and not supporting Brexit
compare Brexiteer, Remainer给一个人一个名称,该人认为英国应该留在欧盟而不支持英国退欧。Brexiteer,Remainer