1. Life: This is the most common meaning of "jaan". It refers to the essence of a person, their very being. It's often used in phrases like "meri jaan" (my life), "jaan khatre mein hai" (life is in danger), or "jaan hai toh jahaan hai" (where there's life, there's hope).
2. Beloved: "Jaan" can also mean a person you love deeply, often used as a term of endearment. You might say "mere jaan" (my love) or "jaan ban gaye ho" (you have become my life).
3. Soul: In a more poetic or spiritual context, "jaan" can refer to the soul or spirit.
4. Courage: Sometimes "jaan" is used to express courage or bravery, like "jaan laga dena" (to give your all, to put your life on the line).
The specific meaning of "jaan" will be determined by the surrounding words and the context of the conversation.