Learning a language is primarily and fundamentally based on the acquisition of a new linguistic system, but beyond that, it involves socialization into a community’s specific ways of representing and living social reality. It is the process through which an individual seeks to appropriate resources that allow her or him to actively take part in the social construction of reality (Berger and Luckmann, 1981) in a community of practice (Lave and Wenger, 2007). Language acquisition is one of the requirements for an individual to become a social actor, and linguistic resources enable her or him to influence the target speech community. Therefore, learning a language is also about negotiating access to a language community and, thus, it is embedded in power relations. All this implies that learning a language is related to agency..