Specialized lingo is one of the tools of mind control cults.
It helps isolate members from the rest of society.
Pay special attention to adjectives that are used repeatedly.
"Humble" ones submit to Jehovah's arrangement and wait on directions from his organization.
"Proud" ones run ahead of Jehovah and think they know more than the faithful and discreet slave organization he has chosen.
Using just those two words, they keep JWs constantly concerned about which category they belong to in the minds of other JWs.
You wouldn't want to develop a bad reputation at the hall, would you, brother/sister?