The priest is to go and examine it and, if the mold has spread in the house, it is a persistent defiling mold; the house is unclean.
NIV
Then the priest shall come and look, and if the disease is spreading in the house, it is a rotting or corroding leprosy in the house; it is unclean.
AMP
Then the priest shall come and look, and, behold, if the plague be spread in the house, it is a fretting leprosy in the house; it is unclean.
KJV
I myself will guarantee his safety; you can hold me personally responsible for him. If I do not bring him back to you and set him here before you, I will bear the blame before you all my life.
NIV
I will be security for him; you shall require him of me [personally]; if I do not bring him back to you and put him before you, then let me bear the blame forever.
AMP
I will be surety for him; of my hand shalt thou require him: if I bring him not unto thee, and set him before thee, then let me bear the blame for ever:
KJV