How can you describe a person who is independent and strong by using an image or an object?

A person who is independent and strong can be likened to a sturdy oak tree. Just as the oak stands tall and resilient against the elements, showcasing deep roots that anchor it firmly to the ground, this individual possesses unwavering self-reliance and inner strength. Their ability to weather life's storms while providing shelter and support to others reflects their nurturing spirit and steadfast character.