What do the initials osb after a name mean?

Oblate of St Benedict: an oblate is a lay or clerical member of a religious order, rather than a monk or nun, who has individually affiliated themself in prayer with a House of their choice. Oblate of St Benedict: an oblate is a lay or clerical member of a religious order, rather than a monk or nun, who has individually affiliated themself in prayer with a House of their choice.