Adoption is a commitment made by a church or a group who would say, “Together, we will use our resources to take responsibility for a particular UUPG. We will pray, give, and act until this group (for example, the Amazigh in Djerba) no longer remains unengaged and unreached with the Gospel.” To be clear, adoption does not equate engagement but can function as a first step leading towards it.
These UUPGs will remain unengaged until obedient Christ followers send, go and preach the Gospel (Romans 10:14).
Here is an example of an adoption process a group could go through: