My sister is always asking formy and I to help later gets mad at us?

Is it pointless the work my aunt and I do? We are christian and my sister is always asking us to do prayer for her and her family. My sister told us she felt scare in her home so my aunt and I made an appointment with our pastor to do a blessing. My sister loces collecting souvenir sine she lives to travel. She went to Mexico , Africa , Hawaii and she she has a lot of cultural mask haning on her wall. The pastor td my sister she needs to throw away those mask as they are demonic from the kingdom of darnkness , My sister refuse to believe. Now when my sister wasn't home my aunt and O grab trash bags we threw away all the mask , Aztect , Egyptian Statues that my sister colleceted because its demonic later when my sister came she got angry at my aunt and I. Why ask for help if your going to refuse.

My sister is always asking formy and I to help later gets mad at us?
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