Final answer:
A missionary faith promise is a commitment to donate a specific amount to religious missions, relying on faith for the required resources.
Step-by-step explanation:
A missionary faith promise is a promise to give a specific amount to missions, trusting God for the resources. This form of pledge is faith-based, which means that the person making the promise is relying on their belief in the provision and assistance from a divine power, implicitly understanding this relationship as outlined in various religious practices such as confirmation, marriage, and other sacraments that symbolize faith and commitment to the Church or to God's work. The key aspect of a missionary faith promise is to support spiritual and religious missions through financial contributions, which is underpinned by faith in the support of a higher power, commonly referred to as 'divine Providence'.