The concept of full and equal membership is pivotal in understanding citizenship. It implies that all members of a political community should enjoy equal rights and opportunities, regardless of their socio-economic status or origin. This section elaborates on the dynamics of citizenship by examining how tensions arise between 'insiders', who may wish to restrict access to resources, jobs, and opportunities for 'outsiders' or migrants. The discussion includes various examples, such as local reactions against external job seekers and the historical struggles faced by different displaced groups. Significant debates around rights of movement, equality, and belonging suggest that citizenship remains an evolving notion that is continuously challenged by social progress, migration, and collective identity.