This witness of life, however, is not the sole element in the apostolate; the true apostle is on the lookout for occasions of announcing Christ by word, either to unbelievers . . . or to the faithful. 441
Catechism number 911
In the Church, "lay members of the Christian faithful can cooperate in the exercise of this power [of governance] in accord with the norm of law."449 and so the Church provides for their presence at particular councils, diocesan synods, pastoral councils; the exercise in solidum of the pastoral care of a parish, collaboration in finance committees, and participation in ecclesiastical tribunals, etc.450