Fault was a very disastrous mistake made by one individual who did something wrong with their own actions.
By 2381, Shaxs began serving aboard the USS Cerritos again, and while Beckett Mariner and Brad Boimler weren't all that surprised by the fact that another bridge officer simply came back to life, Sam Rutherford was curious to know how it happened, as he felt guilty about his death, believing it to be his fault. (LD: "We'll Always Have Tom Paris")