Titles are special honorifics you can obtain through various activities in the game. They will show up above your characters head and alongside your name in chats when active.
You can switch through titles at any time through the titles menu in game (make sure to hotkey it to a button).
Here are the titles you can currently obtain in the game (as of the date of this post). Progress for most of these is trackable by corresponding quests.
- the Champion: Obtainable by defeating the Champion in the Pokemon League.
- the Shiny Hunter: Obtainable by catching 1000 Shiny Pokemon.
- the Slayer: Obtainable through completing the miniquests "Manhunt in the Reverse World" & "Gielinor's Ghostly Invasion" under the quest "Research: Dimensional Travel."
- the Tower Master: Obtainable through completing the quest "Battle Tower Challenge."
- the PokéDex Specialist: Obtainable through reaching 100% dex completion in the quest "PokéDex Milestone Rewards."
- the Master Architect: Not normally obtainable. Contribute with server build projects to be awarded this title.
- the Server Champion: Not currently obtainable.