As a Catholic, let me assure you that we in no way worship Mary. Anyone who says otherwise, even a Saint, is in error according to Catholic teaching.
Below is the official Catholic teaching regarding Mary, straight from the Catechism of the Catholic Church.
968 Her role in relation to the Church and to all humanity goes still further. "In a wholly singular way she cooperated by her obedience, faith, hope, and burning charity in the Savior's work of restoring supernatural life to souls. For this reason she is a mother to us in the order of grace."
509
969 "This motherhood of Mary in the order of grace continues uninterruptedly from the consent which she loyally gave at the Annunciation and which she sustained without wavering beneath the cross, until the eternal fulfilment of all the elect. Taken up to heaven she did not lay aside this saving office but by her manifold intercession continues to bring us the gifts of eternal salvation .... Therefore the Blessed Virgin is invoked in the Church under the titles of Advocate, Helper, Benefactress, and Mediatrix."
510
970 "Mary's function as mother of men in no way obscures or diminishes this unique mediation of Christ, but rather shows its power. But the Blessed Virgin's salutary influence on men . . . flows forth from the superabundance of the merits of Christ, rests on his mediation, depends entirely on it, and draws all its power from it."
511 "No creature could ever be counted along with the Incarnate Word and Redeemer; but just as the priesthood of Christ is shared in various ways both by his ministers and the faithful, and as the one goodness of God is radiated in different ways among his creatures, so also the unique mediation of the Redeemer does not exclude but rather gives rise to a manifold cooperation which is but a sharing in this one source."
512
II. DEVOTION TO THE BLESSED VIRGIN
971 "All generations will call me blessed": "The Church's devotion to the Blessed Virgin is intrinsic to Christian worship."
513 The Church rightly honors "the Blessed Virgin with special devotion. From the most ancient times the Blessed Virgin has been honored with the title of 'Mother of God,' to whose protection the faithful fly in all their dangers and needs.... This very special devotion ... differs essentially from the adoration which is given to the incarnate Word and equally to the Father and the Holy Spirit, and greatly fosters this adoration."
514 The liturgical feasts dedicated to the Mother of God and Marian prayer, such as the rosary, an "epitome of the whole Gospel," express this devotion to the Virgin Mary.
515
In other words, Mary is not worshipped, but honored. In the same way that we Christians pray for one another, Mary prays for us. The honor we give to Mary is the same honor that Muslims give Muhammad.[/QUOTE]
) and it looks like worship, but thats only because there are different ways of communication. So limitations are not by heirachy (god the creator vs mere motals) but more like trying to figure out how best to know someone. Basis of a relationship.
