Pioneer, publisher, LDC, RBC, and all the related jargon.
"Spiritual" = eagerly willing to do mundane chores for the advancement of the JW religion
"Kingdom Interests" = Assets of the Watchtower Bible & Tract Corporation
"Spiritually mature" = Blindly and unquestioningly obedient to every whim of the elders, CO, and/or governing body
"Apostasy" = any idea even faintly critical of the WTS regardless of its source
"Privilege" = a menial drudgery performed with no tangible benefit returned to the doer (carrying a microphone, scrubbing a toilet, creating a schedule, etc.)
"Thrilling, encouraging, rewarding, satisfying" = exact 180-degree antonyms of how every non-JW in the universe understands those words
Need I go on?