Multiclass help: Crooked Moon Sinner Rogue

Hey everyone! This is my first time posting this sub.

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I am playing a game with my friends and the crooked moon campaign. As the title states, I am playing the sinner subclass and I'm curious if anyone has any recommendations for any fun multiclass ideas or synergies.

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My character is a small harengon with sharpshooter, picking off targets from a range. We're about level 8 right now and I've put all levels into rogue.

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This subclass has some synergy with charisma, so I got my 20 dex, 18 cha, and have constitution and strength as my dump stats.

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I always have the option to go full rogue, but I've been looking at multi-class options just to see if there's anything that might be fun or spicy. I'm not obsessed with playing 100% optimately though.

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My character has a backstory where He's trying to cure his family curse which brings each member of his family bad luck. His family runs a shady / criminal gambling ring in the Burroughs of their hometown. If they don't regularly use or share their bad luck with others, it can accumulate until a series of final destination level accidents happen. His character arc has been kind of a redemption arc for himself as he gains more control of his bad luck, as he finally gains other options to survive his family curse rather than working with the criminal ties as family has.

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My DM is pretty gracious and allows for reasonable homebrew material and third party classes and features as well. Anyone have any input about fun options to consider?