It’s incredibly late, but I’ll go ahead and post these anyway!

So, Aradia said that the Knight is a “warrior who uses their aspect as a weapon”.

And the Seer is a tactician who knows their aspect comprehensively. 

So, here is what I have for the other titles!

A Thief is a cheater who uses their aspect to get the advantage over enemies.

A Bard is a preformer who entertains and distracts with their aspect.

A Page is an attendant who assists using their aspect.

A Heir is an apparent who uses their aspect to uphold their legacy.

A Prince is a noble who keeps others on the right path using their aspect.

A Rogue is a mischief maker who uses their aspect to cause chaos.

A Mage is a sorcerer who utilizes the raw power of their aspect.

A Maid is a caretaker who serves others with their aspect.

A Witch is a charmer who uses their aspect to solve others problems.

A Sylph is a gentleman/woman who uses their aspect to maintain order.

A Star is an icon who grabs center stage using their aspect.

A Soul is a spirit who embodies the creativity of their aspect.

A Chief is a commander who uses their aspect to lead.

A Sage is an adviser who gains knowledge from their aspect.

A Priest is an arbitrator who uses their aspect to balance others.

And Sparks(I’m going with that name, not Guide) are inspirers who preform amazing feats with their aspect.