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 942
By virtue of their prophetic mission, lay people "are called . . . to be witnesses to Christ in all circumstances and at the very heart of the community of mankind" (GS 43 # 4).