Should I consider raising my younger sibling/sister [8year difference]myself?

My family is toxic, and also ungrateful for the fact that they have 3 daughters... in other word sexist
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i'm moving to finland for my higher education very soon
i don't know but i wanna take my sister along with me?
is it fine?
she's 14 and i'm 22
Should I consider raising my younger sibling/sister [8year difference]myself?
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