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]
(..) And found himself all alone. While he was searching, a fierce Storm began. Natsaclane couldn't find shelter anywhere. But otters came and took him Way down deep under the water Where he was safe (..)1993 Free Willy