Is any among you afflicted? let him pray. Is any merry? let him sing psalms.
Afflicted, х kakopathei (G2553)] - 'evil treated:' "suffering affliction" (James 5:10).
Let him pray - not "swear" in rash impatience.
Merry - in mind.
Sing psalms - of praise, as Paul and Silas did in prison.