A Trick Up the Sleeve
Legendary wondrous item - cursed
After a Safe Rest, swap your class with the Cheat at the same level. End this with 1A.
No one trusts you. Your best friends doubt your word, every true word comes out distorted by the GM at will. Others can't Interpose for you, and vice versa.
A paragon of sleuth and cunning, Rinabar Tilthen the legendary thief didn't think friendship was useful. Same for trust, truth or even caring.