As baptized, regenerate people,
we all share in the “Common Priesthood of all the Faithful,”
so yes, in that sense, all Christians are collaborators and co-redeemers
with God, because our prayers and personal sacrifices and penances,
offered to God in union with Christ’s sacrifice, help to bring to them
the Graces of conversion, perseverance, and many other temporal, physical,
health, and even financial blessings too.