When Guru (Jupiter) is weak, it can have a major effect on the life of the native, leading to adverse results and misfortunes. Weak Jupiter can cause the native to lack knowledge, resulting in them making wrong decisions. Additionally, there will be difficulties in obtaining a suitable job and managing money and wealth. Furthermore, health problems might arise due to weak Jupiter, making life difficult for the native. It is therefore important to understand the position of Jupiter in the horoscope and take steps to strengthen it, to ensure a better life for the native.