Costa Rica and Nicaragua are neighboring countries, and because of the stability of the former, the inhabitants of the latter see it as a suitable place to emigrate. This mass migration has been a phenomenon in the Apostolic Assembly of the Faith in Christ Jesus, in San Jose, as it is constituted by an overwhelming majority of Nicaraguans. Therefore, in Costa Rica there is a Church of and for Nicaraguans, and not much is done about it, knowing that in the Church, there is neither Jew nor Greek, but all are one in Christ. It is time for the Apostolic Assembly to pay attention to this matter, echoing the Christian message of missionary integration, developing a model that will help to that end. The gospel must be preached to every creature, when someone converts himself to Christ he remains in the same position as the others, to be initiated and ordained to the ministry, and as a minister to assume the mantle. Faith in Christ crosses borders over the racial differences, of languages and customs. This project begins in order to achieve a community integrated in the mission, sharing and working as brethren. It will begin for the leadership and continue with the congregation, raising the project/solution and the problem/opportunity, for both immigrants and national citizens, and the hinge generation composed of Costa Ricans-Nicaraguans who are key to solve the problem. The goal is to achieve the dream of Christ and of Christians, and to be able to say with the Apostle Peter: "... I truly understand that God does not respect people, but in every nation, he is pleased by those who fear him and does justice."