It depends. 

In general, sharing ministry plans do not qualify as Minimum Essential Coverage. Read more about that here.

However, new rules have been proposed for 2021 and 2022 that allow sharing plan premiums to be reimbursed tax-free through QSEHRA as an eligible medical expense! You'll just have to also purchase a supplemental MEC plan in order to qualify for reimbursements. You can read more about those new rules here!