He’s a legal resident of the US. He went back to help. What’s so hard to understand? And yes, they wouldn’t bring him back until his wife verified that they would be paying for everything.
He is a citizen of Sierra Leone. He worked in Sierra Leone. i think it is a reasonable question to ask the particulars on why he is considered a Maryland resident.
People are awfully touchy over nothing. Sometimes it is better to just answer a question without getting so emotional over it.