Jupiter in the natal chart represents the urge to expand, explore, where one operates in a, 'big way', one's tendency to overdo, search for understanding and where you want life to be easy. The sign it falls in it reflects its character. Jupiter in Pisces represents possess an imaginative and spiritual nature, you believe in all-encompassing beneficence all around you, seek to develop and expand the power of your intuition and you understand the healing power of compassion.