During the days of his uncleanness he kept out of the sanctuary; when the days of purifying are fulfilled he then may go in.
The sanctuary; not the temple itself, but, as the next words have it, the inner court.
To minister; to execute the priest’s office.
Sin-offering: it is not said what this should be, nor doth that Lev_6:21 refer to this. I think rather that, Lev_4:3, a young bullock was to be this sin-offering in purifying as it was in consecrating him, Eze_43:19.