* The expression "bear witness" means to "testify" or to "report what one has seen or experienced."
* The statement that "a son will not bear the iniquity of his father" means that he "will not be held responsible for" or "will not be punished for" his father's sins.
* In general, this term could be translated as "to carry" or "to be responsible for" or "to produce" or "to have" or "to endure," depending on the context.