NET
5 But some from the religious party of the Pharisees who had believed stood up and said, “It is necessary to circumcise the Gentiles and to order them to observe the law of Moses.”
Darby
5 And some of those who were of the sect of the Pharisees, who believed, rose up from among [them], saying that they ought to circumcise them and enjoin them to keep the law of Moses.
KJV
5 But there rose up certain of the sect of the Pharisees which believed, saying, That it was needful to circumcise them, and to command [them] to keep the law of Moses.