 Hence they live in special centers run by Opus Dei and do not have jobs outside the centers.Associates are celibate faithful who make themselves fully available to God and to others in apostolic celibacy, and stably take on at least one (sometimes more) apostolic assignment(s) from the Prelature in giving doctrinal and ascetical formation and/or coordinating activities.They differ from numeraries in not making themselves "fully" available to staff the official undertakings of the Prelature, instead giving themselves in additional social realities, such as through their profession or to their own families.