Reply To: Hilchos Shmiras Haloshon

“Such a person may be in the category of both ???. your people, and ?????, his fellow. It is our obligation to educate him with love, care and sensitive and it is strictly forbidden to speak loshon hora against him.” (“Chofetz Chaim, A Lesson A Day by Rav Shimon Finkelman and Rav Yitzhak Berkowitz, Day 57)

Sources: Bais Yosef, Yoreh Deah, Siman 159, Chafetz Chaim end of Ahavas Chesed and Chazon Ish quoted above (Yoreh Deah, end of Siman 2).