NT.filter - rsv duty:

rsv@Luke:1:8 @ Now while he was serving as priest before God when his division was on duty,

rsv@Luke:17:10 @ So you also, when you have done all that is commanded you, say, `We are unworthy servants; we have only done what was our duty.'"

rsv@Acts:6:3 @ Therefore, brethren, pick out from among you seven men of good repute, full of the Spirit and of wisdom, whom we may appoint to this duty.

rsv@1Timothy:5:4 @ If a widow has children or grandchildren, let them first learn their religious duty to their own family and make some return to their parents; for this is acceptable in the sight of God.