Either one re-recognize his true divine calling and abandon his false ones, or, repent his of his cowardice from his true calling.
There are many in the West, especially from America, who go to this mission trips or that church aid. If they dare to say it's for the purpose of the Gospel, then they should know those countries are dangerous and that they are taking the place of those who are going willing to give their lives out of love. Not so that when imprisoned, they await for their government's help to release them.
Not long ago, it was said that Eric Liddell, a Scottish Christian missionary to China, gave his place to a pregnant woman in the camp during a prisoner exchange deal made between Churchill of the British and the Japanese.
Now this is someone I can say is someone who loves the people for the sake of the Gospel!