If you follow the show closely, context clues point to Ada no longer being a part of the Amish community. Namely, her penchant for bending the rules of the community to get away with doing whatever she wants. Not to mention the fact that she is okay with being filmed.
She provides shelter for the ex-Amish who have left their communities and is widely known by fans to have boundless compassion. Dubbed the "Amish firecracker," Ada has a loud, boisterous personality and notably forges her own path.
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For a while, Ada was also shunned by the community for getting a job, which is against the rules.
Ada, however, still wears Amish clothes and claims that she's still Amish, even after her community ostracized her.