Godparent and Sustainer

Godparent noun - A person who sponsors someone (the godchild) at baptism.

Sustainer and godparent are semantically related in sponsor topic. In some cases you can use "Sustainer" instead a noun "Godparent", when it comes to topics like promotes.

Sustainer noun - Someone who upholds or maintains.

Godparent and sustainer are semantically related in sponsor topic. You can use "Godparent" instead a noun "Sustainer", if it concerns topics such as promotes.