Acts 21:23 References

23 "Therefore do this that we tell you. We have four men who aare under a vow;

a Numbers 6:13-21, Acts 18:18

Numbers 6

13 'Now this is the law of the Nazirite awhen the days of his separation are fulfilled, he shall bring the offering to the doorway of the tent of meeting.
14 'He shall present his offering to the Lord: one male lamb a year old without defect for a burnt offering and one aewe-lamb a year old without defect for a sin offering and one ram without defect for a peace offering,
15 and a basket of aunleavened cakes of fine flour mixed with oil and unleavened wafers spread with oil, along with btheir grain offering and their drink offering.
16 'Then the priest shall present them before the Lord and shall offer his sin offering and his burnt offering.
17 'He shall also offer the ram for a sacrifice of peace offerings to the Lord, together with the basket of unleavened cakes; the priest shall likewise offer its grain offering and its drink offering.
18 'aThe Nazirite shall then shave his dedicated head of hair at the doorway of the tent of meeting, and take the dedicated hair of his head and put it on the fire which is under the sacrifice of peace offerings.
19 'aThe priest shall take the ram's shoulder when it has been boiled, and one unleavened cake out of the basket and one unleavened wafer, and shall put them on the hands of the Nazirite after he has shaved his dedicated hair.
20 'Then the priest shall wave them for a wave offering before the Lord. It is holy for the priest, together with the breast offered by waving and the thigh offered by lifting up; and aafterward the Nazirite may drink wine.'
21 "This is the law of the Nazirite who vows his offering to the Lord according to his separation, in addition to what else he can afford; according to his vow which he takes, so he shall do according to the law of his separation."

Acts 18

18 Paul, having remained many days longer, atook leave of bthe brethren and put out to sea for cSyria, and with him were dPriscilla and dAquila. In eCenchrea he fhad his hair cut, for he was keeping a vow.