en_tn_condensed/1ti/05/09.md

be enrolled as a widow

There seems to have been a list, written or not, of widows. The church members met these women's needs for shelter, clothing, and food, and these women were expected to devote their lives to serving the Christian community.

a wife of one husband

Possible meanings are 1) she was always faithful to her husband or 2) she had not divorced her husband and then married another man.