Judith in the Judith Bible story is a heroic and devout widow. She was a woman of great courage and faith. She played a crucial role in saving her people from the Assyrian threat.
I don't have enough information to determine exactly who Judith Kay is. She could be an ordinary woman who gets caught up in an extraordinary situation involving the mirror.
JJ Harper is likely a significant character in this particular story. Given that the title includes 'the JJ Harper story' within the context of cowboys and Indians, he could be a person with a unique backstory. He might be a native American who has interactions with cowboys, or perhaps a cowboy who has a deep connection with the Indian community. His character could be developed through various events in the story, such as facing challenges, forging alliances, or trying to overcome cultural barriers between the two groups.
Well, aside from the big fanfiction websites, you might also check out some Monty Harper - related fan forums. Fans often share their own works or recommend good fanfictions there. Also, social media groups dedicated to Monty Harper might be a good place to look. Sometimes fans will post links to their fanfictions or talk about their favorite ones.