If he is poor, and he does not have the means to pay the estimation, he shall stand before the priest, and however much he will value him and see that he is able to pay, so much shall he give
Other versions
King James Version
But if he be poorer than thy estimation, then he shall present himself before the priest, and the priest shall value him; according to his ability that vowed shall the priest value him.English Standard Version
And if someone is too poor to pay the valuation, then he shall be made to stand before the priest, and the priest shall value him; the priest shall value him according to what the vower can afford.New International Version
If anyone making the vow is too poor to pay the specified amount, he is to present the person to the priest, who will set the value for him according to what the man making the vow can afford.