The article marks them as a class. So, often in New Testament, as when classed with publicans.
Love
Not φιλοῦσι, which implies an instinctive, affectionate attachment, but ἀγαπῶσιν, of a sentiment based on judgment and calculation, which selects its object for a reason. See further, on Joh 21:15-17. Tynd., the very sinners love their lovers.