"Sameness—sameness!" he muttered, the word running through his head like a persecuting tune as he saw the familiar tall-hatted figures lounging behind the plate-glass; and because he usually dropped in at the club at that hour he had gone home instead.
There are no more uses of "persecution" in the book.
Show samples from other sources
Everyone knows about the persecution of the Jews by the Nazis.
In that country non-Muslims are persecuted by law.