James uses this question to cause the readers to reflect on their need. This can be translated as a statement. Alternate translation: "If anyone is sick, he should call" (See: [[rc://en/ta/man/translate/figs-rquestion]])
"Name" is a metonym for the person of Jesus Christ. Alternate translation: "by the authority of the Lord" or "with the authority that the Lord has given hthem" (See: [[rc://en/ta/man/translate/figs-metonymy]])