It's used as the subject of a verb, just like "I" in English.
For example:
* Je suis (I am)
* Je parle (I speak)
* Je veux (I want)
It's used as the subject of a verb, just like "I" in English.
For example:
* Je suis (I am)
* Je parle (I speak)
* Je veux (I want)