a sinner - one who had led a profligate life. Note. - There is no ground whatever for the popular notion that this woman was Mary Magdalene, nor do we know what her name was. (See on Luk 8:2.)
an alabaster box of ointment - a perfume vessel, in some cases very costly (Joh 12:5). “The ointment has here a peculiar interest, as the offering by a penitent of what had been an accessory in her unhallowed work of sin” [Alford].