# Whoever goes out of the doors of your house

This can be translated as a condition. Alternate Translation: "If anyone goes out of the doors of your house" 

# their blood will be upon their own heads

Here "blood" represents a person's death. To be responsible for their own death is spoken of as if their blood would be on their heads. Alternate translation: "their death will be their own fault" (See: [[rc://en/ta/man/jit/figs-metonymy]] and [[rc://en/ta/man/jit/figs-metaphor]])

# we will be guiltless

"we will be innocent"

# if a hand is laid upon any

Here "a hand is laid upon" is a polite way of referring to causing someone injury. Alternate translation: "if we cause injury to any" (See: [[rc://en/ta/man/jit/figs-euphemism]])