Joshua 6:17

6:17 The city and all that is in it must be set apart for the Lord, except for Rahab the prostitute and all who are with her in her house, because she hid the spies we sent.

Joshua 7:13

7:13 Get up! Ritually consecrate the people and tell them this: ‘Ritually consecrate yourselves for tomorrow, because the Lord God of Israel says, “You are contaminated, O Israel! You will not be able to stand before your enemies until you remove what is contaminating you.”