Sabit's Friend

Not a friend, but also not an acquaintance. Could be used when describing a person you barely know but you already know the future you have in store with them because they are your soulmate fs even though there's no scientific evidence backing up that theory, you just feel it in your drab cold heart that they are the one. Even though they might be a serial killer or something that you met off of a random Instagram group chat, you trust them because they are a Sabit's Friend.