Guideparent

The guideparents were very nervous during the naming ceremony.

Source: wiktionary

There’s a section where the guideparents and parents make their pledges to the child, usually promising to be there unconditionally and to support them always.

Source: wiktionary

Our experience is that almost all humanist naming ceremonies have guideparents involved.

Source: wiktionary

Becoming a guideparent gives the person a special role in the baby’s life.

Source: wiktionary