Lyric discussion by Gukkor 

Cover art for Otherworld lyrics by Black Mages, The

Personally, I've always thought this song was more about Jecht than Tidus. The lyrics seem to reflect what ultimately happened to him after crossing over into Spira's future, and how is only hope for release from Sin is combat (more specifically, combat with his son).

This song is about the major characters of the game: Auron, Jecht, Tidus, and Yuna.

"Go on, if you want it. An otherworld awaits you." Jecht becomes the Final Aeon and the world of Sin awaits him.

"Don't you give up on it. You bite the hand that feeds you." He can't turn back and has to destroy Braska in the battle with Sin.

"All alone, cold fields you wander. Memories of it, cloud your sight, Fills your dreams, disturbs your slumber. Lost your way, a fallen knight..."

Auron has abandoned his role as...

Its more of the whole Jecht vs Tidus thing, my own thoughts though. you see i was thinking of "You bite the hand that feeds you" was tidus fighting jecht and "one thousand years of waiting" was jecht waiting for tidus to come to spira to kill him and rid him of being sin...