Rep. Mike Collins is a Georgia Republican.
The sermon giver was the Right Rev. Mariann Edgar Budde, the Episcopal Church's bishop of Washington, a New Jersey native (i.e. US citizen by birth), who asked President Trump to have mercy on those whose children fear "their parents will be taken away."
Update: President Trump says an apology is needed from Bishop Budde (“a Radical Left hard line Trump hater”) and the Episcopal Church for her sermon at the National Prayer Service.
"The GOP despises Christians who act like Christians.
Republicans want a state religion that excludes the words of Jesus Christ, that commie."
https://johnpavlovitz.com/2023/11/10/republicans-jesus-less-christianity/
https://www.thenation.com/article/politics/christian-nationalism-trump-republicans/