In order to reactivate the Lisbon strategy (2000), whose priority was to become Europe in the most competitive and dynamic economy, the European Counsel from 2006 reasserted the relevance of the human capital as the most important aspect for reaching that aim. Lifelong learning is an essential condition for the improvement of the social and labour condition of the human being, and it involves the acquisition of new knowledge which is part of a continuous process that is existent during the whole professional life of any person