It can have a few different meanings depending on the context:
* To take someone out of a place: "Sacarte de la casa" means "to take you out of the house."
* To remove something: "Sacarte la basura" means "to take out the trash."
* To extract or pull something: "Sacarte un diente" means "to pull out a tooth."
* To get someone out of a difficult situation: "Sacarte de un apuro" means "to get you out of a bind."
The exact meaning of "sacarte" will be clearer when you see it used in a sentence.