I don't quite understand what you mean by "adon" so I will skip those questions.

No wipe is planned as far as I or anyone else knows. To the best of my knowledge there hasn't been a full-blown wipe of characters since the game started - not even between 1.0 and 2.0 where 2.0 was basically a whole new game.

FF14 will end some day. Everything ends sooner or later, and FF14 is no exception to that. That time won't come anytime soon though. The predecessor FF11, which was one of the earliest MMOs, is still up and running and actively supported-