Most parents want to 'shelter' their children 'from' pain and sadness. [=to prevent their children from experiencing pain and sadness]
They 'found/took shelter' in a cave during the storm. [=they went into a cave to get out of the storm]
They were accused of 'sheltering' a criminal. [=giving a criminal a place to hide]
(..) - He is here. We are being held hostage. - They are watching us. - I understand. Tenth level, thousands of battle droids. Tell your people to take shelter. If you have warriors, now is the time. Take the fighter back to the ship. Tell Cody I’ve made contact. - Is he bringing additional warriors? (..)2005 Star Wars: Episode III - Revenge of the Sith