Well, in the 'little lost lamb story', it's often a tale of vulnerability. The lamb, being small and perhaps inexperienced, strays away. It could be a story that teaches about the importance of staying together in a community, like the flock. The lamb might encounter kind-hearted characters in the story who help it in its journey back to safety.
The main character is surely the little lost lamb. There might also be the shepherd who is looking for the lamb or the other lambs in the flock that the lost lamb is separated from.
The little lost lamb is definitely a main character. It's the focus as it faces the problem of being lost. Another character that could be considered main is the one who rescues or helps the lamb. This could be a shepherd who has a duty to take care of the flock. Or it could be a passer - by who just happens to see the lost lamb and decides to help. Their actions directly affect the outcome for the lamb, so they are important characters in the story too.
The moral is about the importance of care and protection. The shepherd represents a figure of authority or a caretaker, and his search for the lost lamb shows that every individual is valuable and should be sought after when lost or in trouble.
The story might be about a little lamb that gets lost from its flock. It could then go on an adventure trying to find its way back home, facing various challenges along the way, like crossing a river or avoiding predators.
Once upon a time, there was a little lamb who lived in a beautiful meadow. One day, the lamb decided to explore the forest beyond the meadow. It met a wise old owl who told it about the secrets of the forest. The lamb was amazed and learned a lot from the owl.