43. The pastoral workers and persons in charge must have a solid doctrinal preparation and unquestionable fidelity to the Magisterium of the Church so that they will be able to transmit the truths of the faith and the responsibilities connected with marriage with sufficient in-depth knowledge and life witness. It is quite obvious that these pastoral workers, as educators, will also have to be capable of welcoming the engaged, whatever their social and culture extraction, intellectual formation and concrete capacities may be. Moreover, their faithful life witness and joyful giving are indispensable conditions for carrying out their task. Based on their own experiences in life and human problems, they can offer some starting points for enlightening the engaged with Christian wisdom.